220154438 has 16 divisors (see below), whose sum is σ = 378806784. Its totient is φ = 94002120.

The previous prime is 220154419. The next prime is 220154443. The reversal of 220154438 is 834451022.

It is a happy number.

220154438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220154438.

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, 25220 + ... + 32807.

It is an arithmetic number, because the mean of its divisors is an integer number (23675424).

Almost surely, 2^220154438 is an apocalyptic number.

220154438 is a deficient number, since it is larger than the sum of its proper divisors (158652346).

220154438 is a wasteful number, since it uses less digits than its factorization.

220154438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58307.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 220154438 is about 14837.6021647704. The cubic root of 220154438 is about 603.8223001803.

The spelling of 220154438 in words is "two hundred twenty million, one hundred fifty-four thousand, four hundred thirty-eight".