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1422421110 = 23251117223379
BaseRepresentation
bin101010011001000…
…0110110001110110
310200010112110221100
41110302012301312
510403114433420
6353051230530
750151244215
oct12462066166
93603473840
101422421110
1166aa13040
12338448446
131988cbbc6
14d6cab07c
1584d23190
hex54c86c76

1422421110 has 192 divisors, whose sum is σ = 4302305280. Its totient is φ = 322237440.

The previous prime is 1422421097. The next prime is 1422421141. The reversal of 1422421110 is 111242241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3752901 + ... + 3753279.

It is an arithmetic number, because the mean of its divisors is an integer number (22407840).

Almost surely, 21422421110 is an apocalyptic number.

1422421110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422421110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151152640).

1422421110 is an abundant number, since it is smaller than the sum of its proper divisors (2879884170).

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

1422421110 is a wasteful number, since it uses less digits than its factorization.

1422421110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1422421110 is about 37714.9984754076. The cubic root of 1422421110 is about 1124.6293060158.

Adding to 1422421110 its reverse (111242241), we get a palindrome (1533663351).

The spelling of 1422421110 in words is "one billion, four hundred twenty-two million, four hundred twenty-one thousand, one hundred ten".