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42222000000 = 2735631227
BaseRepresentation
bin100111010100101000…
…001001011110000000
311000222112010211110210
4213110220021132000
51142432313000000
631221351554120
73023205035625
oct472450113600
9130875124423
1042222000000
11169a7244584
12822408b940
133c9b51776b
14208773434c
151171aec350
hex9d4a09780

42222000000 has 448 divisors, whose sum is σ = 145348139520. Its totient is φ = 10848000000.

The previous prime is 42221999951. The next prime is 42222000019. The reversal of 42222000000 is 22224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 42222000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 185999887 + ... + 186000113.

Almost surely, 242222000000 is an apocalyptic number.

42222000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42222000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72674069760).

42222000000 is an abundant number, since it is smaller than the sum of its proper divisors (103126139520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42222000000 is an frugal number, since it uses more digits than its factorization.

42222000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 42222000000 its reverse (22224), we get a palindrome (42222022224).

The spelling of 42222000000 in words is "forty-two billion, two hundred twenty-two million", and thus it is an aban number.