220054457 has 16 divisors (see below), whose sum is σ = 254918400. Its totient is φ = 186062400.

The previous prime is 220054441. The next prime is 220054487. The reversal of 220054457 is 754450022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220054457 - 2⁴ = 220054441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220054487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310019 + ... + 310727.

It is an arithmetic number, because the mean of its divisors is an integer number (15932400).

Almost surely, 2^220054457 is an apocalyptic number.

It is an amenable number.

220054457 is a deficient number, since it is larger than the sum of its proper divisors (34863943).

220054457 is a wasteful number, since it uses less digits than its factorization.

220054457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 220054457 is about 14834.2326056996. The cubic root of 220054457 is about 603.7308796617.

It can be divided in two parts, 22005 and 4457, that added together give a palindrome (26462).

The spelling of 220054457 in words is "two hundred twenty million, fifty-four thousand, four hundred fifty-seven".