22230545145 has 32 divisors (see below), whose sum is σ = 35805369600. Its totient is φ = 11777700864.

The previous prime is 22230545131. The next prime is 22230545171. The reversal of 22230545145 is 54154503222.

It is a happy number.

It is not a de Polignac number, because 22230545145 - 2¹⁵ = 22230512377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1527061 + ... + 1541549.

It is an arithmetic number, because the mean of its divisors is an integer number (1118917800).

Almost surely, 2^22230545145 is an apocalyptic number.

It is an amenable number.

22230545145 is a deficient number, since it is larger than the sum of its proper divisors (13574824455).

22230545145 is a wasteful number, since it uses less digits than its factorization.

22230545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 22230545145 in words is "twenty-two billion, two hundred thirty million, five hundred forty-five thousand, one hundred forty-five".