68915022 has 16 divisors (see below), whose sum is σ = 150360192. Its totient is φ = 20883320.

The previous prime is 68915003. The next prime is 68915023. The reversal of 68915022 is 22051986.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68915023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522018 + ... + 522149.

It is an arithmetic number, because the mean of its divisors is an integer number (9397512).

Almost surely, 2^68915022 is an apocalyptic number.

68915022 is an abundant number, since it is smaller than the sum of its proper divisors (81445170).

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

68915022 is a wasteful number, since it uses less digits than its factorization.

68915022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044183.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 68915022 is about 8301.5072125488. The cubic root of 68915022 is about 409.9881456021.

The spelling of 68915022 in words is "sixty-eight million, nine hundred fifteen thousand, twenty-two".