220154214 has 32 divisors (see below), whose sum is σ = 503896320. Its totient is φ = 62815392.

The previous prime is 220154191. The next prime is 220154239. The reversal of 220154214 is 412451022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31657 + ... + 37979.

It is an arithmetic number, because the mean of its divisors is an integer number (15746760).

Almost surely, 2^220154214 is an apocalyptic number.

220154214 is an abundant number, since it is smaller than the sum of its proper divisors (283742106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220154214 is a wasteful number, since it uses less digits than its factorization.

220154214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 220154214 is about 14837.5946163790. The cubic root of 220154214 is about 603.8220953903.

The spelling of 220154214 in words is "two hundred twenty million, one hundred fifty-four thousand, two hundred fourteen".