68423022 has 64 divisors (see below), whose sum is σ = 160704000. Its totient is φ = 21536064.

The previous prime is 68422997. The next prime is 68423039. The reversal of 68423022 is 22032486.

It is a super-2 number, since 2×68423022² = 9363419879224968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110229 + ... + 110847.

It is an arithmetic number, because the mean of its divisors is an integer number (2511000).

Almost surely, 2^68423022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68423022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80352000).

68423022 is an abundant number, since it is smaller than the sum of its proper divisors (92280978).

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

68423022 is a wasteful number, since it uses less digits than its factorization.

68423022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 68423022 is about 8271.8209603448. The cubic root of 68423022 is about 409.0101483405.

The spelling of 68423022 in words is "sixty-eight million, four hundred twenty-three thousand, twenty-two".