55222227930 has 16 divisors (see below), whose sum is σ = 132533347104. Its totient is φ = 14725927440.

The previous prime is 55222227917. The next prime is 55222227947. The reversal of 55222227930 is 3972222255.

55222227930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55222227930³ (a number of 33 digits) contains 333 as substring.

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, 920370436 + ... + 920370495.

It is an arithmetic number, because the mean of its divisors is an integer number (8283334194).

Almost surely, 2^55222227930 is an apocalyptic number.

55222227930 is an abundant number, since it is smaller than the sum of its proper divisors (77311119174).

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

55222227930 is a wasteful number, since it uses less digits than its factorization.

55222227930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840740941.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 55222227930 in words is "fifty-five billion, two hundred twenty-two million, two hundred twenty-seven thousand, nine hundred thirty".