220270772 has 12 divisors (see below), whose sum is σ = 385861476. Its totient is φ = 110024640.

The previous prime is 220270769. The next prime is 220270783. The reversal of 220270772 is 277072022.

It can be written as a sum of positive squares in 2 ways, for example, as 42954916 + 177315856 = 6554^2 + 13316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23129 + ... + 31232.

It is an arithmetic number, because the mean of its divisors is an integer number (32155123).

Almost surely, 2^220270772 is an apocalyptic number.

It is an amenable number.

220270772 is a deficient number, since it is larger than the sum of its proper divisors (165590704).

220270772 is a wasteful number, since it uses less digits than its factorization.

220270772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55378 (or 55376 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 220270772 is about 14841.5218896177. The cubic root of 220270772 is about 603.9286387045.

The spelling of 220270772 in words is "two hundred twenty million, two hundred seventy thousand, seven hundred seventy-two".