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42222372 = 22331113501
BaseRepresentation
bin1010000100010…
…0001100100100
32221110010012120
42201010030210
541302103442
64104545540
71021612203
oct241041444
987403176
1042222372
1121919325
12121822b0
13899426a
14587123a
153a904ec
hex2844324

42222372 has 24 divisors (see below), whose sum is σ = 101697792. Its totient is φ = 13620000.

The previous prime is 42222353. The next prime is 42222391. The reversal of 42222372 is 27322224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42222353) and next prime (42222391).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56379 + ... + 57122.

It is an arithmetic number, because the mean of its divisors is an integer number (4237408).

Almost surely, 242222372 is an apocalyptic number.

It is an amenable number.

42222372 is an abundant number, since it is smaller than the sum of its proper divisors (59475420).

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

42222372 is a wasteful number, since it uses less digits than its factorization.

42222372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113539 (or 113537 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 42222372 is about 6497.8744216859. The cubic root of 42222372 is about 348.2150540222.

Adding to 42222372 its reverse (27322224), we get a palindrome (69544596).

The spelling of 42222372 in words is "forty-two million, two hundred twenty-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 113501 227002 340503 454004 681006 1362012 3518531 7037062 10555593 14074124 21111186 42222372