72226251532 has 12 divisors (see below), whose sum is σ = 129085215840. Its totient is φ = 35344761296.

The previous prime is 72226251509. The next prime is 72226251547. The reversal of 72226251532 is 23515262227.

It is a super-3 number, since 3×72226251532³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72226251491 and 72226251500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192090907 + ... + 192091282.

It is an arithmetic number, because the mean of its divisors is an integer number (10757101320).

Almost surely, 2^72226251532 is an apocalyptic number.

It is an amenable number.

72226251532 is a deficient number, since it is larger than the sum of its proper divisors (56858964308).

72226251532 is a wasteful number, since it uses less digits than its factorization.

72226251532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384182240 (or 384182238 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The spelling of 72226251532 in words is "seventy-two billion, two hundred twenty-six million, two hundred fifty-one thousand, five hundred thirty-two".