20914222 has 16 divisors (see below), whose sum is σ = 37412352. Its totient is φ = 8573400.

The previous prime is 20914219. The next prime is 20914259. The reversal of 20914222 is 22241902.

It is a junction number, because it is equal to n+sod(n) for n = 20914193 and 20914202.

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, 32154 + ... + 32797.

It is an arithmetic number, because the mean of its divisors is an integer number (2338272).

Almost surely, 2^20914222 is an apocalyptic number.

20914222 is a deficient number, since it is larger than the sum of its proper divisors (16498130).

20914222 is a wasteful number, since it uses less digits than its factorization.

20914222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64983.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20914222 is about 4573.2069710434. The cubic root of 20914222 is about 275.5162621617.

The spelling of 20914222 in words is "twenty million, nine hundred fourteen thousand, two hundred twenty-two".