220468454 has 4 divisors (see below), whose sum is σ = 330702684. Its totient is φ = 110234226.

The previous prime is 220468447. The next prime is 220468477. The reversal of 220468454 is 454864022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55117112 + ... + 55117115.

It is an arithmetic number, because the mean of its divisors is an integer number (82675671).

Almost surely, 2^220468454 is an apocalyptic number.

220468454 is a deficient number, since it is larger than the sum of its proper divisors (110234230).

220468454 is a wasteful number, since it uses less digits than its factorization.

220468454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110234229.

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 220468454 is about 14848.1801578510. The cubic root of 220468454 is about 604.1092499337.

The spelling of 220468454 in words is "two hundred twenty million, four hundred sixty-eight thousand, four hundred fifty-four".