155222471704 has 32 divisors (see below), whose sum is σ = 299158453440. Its totient is φ = 75459808000.

The previous prime is 155222471683. The next prime is 155222471711. The reversal of 155222471704 is 407174222551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711472 + ... + 903679.

It is an arithmetic number, because the mean of its divisors is an integer number (9348701670).

Almost surely, 2^155222471704 is an apocalyptic number.

It is an amenable number.

155222471704 is a deficient number, since it is larger than the sum of its proper divisors (143935981736).

155222471704 is a wasteful number, since it uses less digits than its factorization.

155222471704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615491 (or 1615487 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 155222471704 in words is "one hundred fifty-five billion, two hundred twenty-two million, four hundred seventy-one thousand, seven hundred four".