72323022 has 8 divisors (see below), whose sum is σ = 144646056. Its totient is φ = 24107672.

The previous prime is 72323021. The next prime is 72323029. The reversal of 72323022 is 22032327.

It is a sphenic number, since it is the product of 3 distinct primes.

72323022 is an admirable number.

It is a super-2 number, since 2×72323022² = 10461239022424968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72323022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72323021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6026913 + ... + 6026924.

It is an arithmetic number, because the mean of its divisors is an integer number (18080757).

Almost surely, 2^72323022 is an apocalyptic number.

72323022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72323022 is a wasteful number, since it uses less digits than its factorization.

72323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053842.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 72323022 is about 8504.2943269856. The cubic root of 72323022 is about 416.6379780425.

Adding to 72323022 its reverse (22032327), we get a palindrome (94355349).

The spelling of 72323022 in words is "seventy-two million, three hundred twenty-three thousand, twenty-two".