220165454 has 8 divisors (see below), whose sum is σ = 330624840. Its totient is φ = 109957176.

The previous prime is 220165433. The next prime is 220165513. The reversal of 220165454 is 454561022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220165454² = 96945654270052232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60569 + ... + 64100.

It is an arithmetic number, because the mean of its divisors is an integer number (41328105).

Almost surely, 2^220165454 is an apocalyptic number.

220165454 is a deficient number, since it is larger than the sum of its proper divisors (110459386).

220165454 is a wasteful number, since it uses less digits than its factorization.

220165454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125554.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 220165454 is about 14837.9733791377. The cubic root of 220165454 is about 603.8323712855.

The spelling of 220165454 in words is "two hundred twenty million, one hundred sixty-five thousand, four hundred fifty-four".