72087023222 has 8 divisors (see below), whose sum is σ = 108133396200. Its totient is φ = 36042557824.

The previous prime is 72087023221. The next prime is 72087023263. The reversal of 72087023222 is 22232078027.

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

It is a super-2 number, since 2×72087023222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72087023221) 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, 378347 + ... + 536022.

It is an arithmetic number, because the mean of its divisors is an integer number (13516674525).

Almost surely, 2^72087023222 is an apocalyptic number.

72087023222 is a deficient number, since it is larger than the sum of its proper divisors (36046372978).

72087023222 is a wasteful number, since it uses less digits than its factorization.

72087023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953790.

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 72087023222 in words is "seventy-two billion, eighty-seven million, twenty-three thousand, two hundred twenty-two".