220951122 has 32 divisors (see below), whose sum is σ = 505790592. Its totient is φ = 63033984.

The previous prime is 220951109. The next prime is 220951127. The reversal of 220951122 is 221159022.

220951122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220951092 and 220951101.

It is not an unprimeable number, because it can be changed into a prime (220951127) 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, 27198 + ... + 34374.

It is an arithmetic number, because the mean of its divisors is an integer number (15805956).

Almost surely, 2^220951122 is an apocalyptic number.

220951122 is an abundant number, since it is smaller than the sum of its proper divisors (284839470).

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

220951122 is a wasteful number, since it uses less digits than its factorization.

220951122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 220951122 is about 14864.4247113704. The cubic root of 220951122 is about 604.5497841232.

The spelling of 220951122 in words is "two hundred twenty million, nine hundred fifty-one thousand, one hundred twenty-two".