220401292 has 12 divisors (see below), whose sum is σ = 406002520. Its totient is φ = 104400576.

The previous prime is 220401241. The next prime is 220401317. The reversal of 220401292 is 292104022.

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, 1449933 + ... + 1450084.

Almost surely, 2^220401292 is an apocalyptic number.

It is an amenable number.

220401292 is a deficient number, since it is larger than the sum of its proper divisors (185601228).

220401292 is a wasteful number, since it uses less digits than its factorization.

220401292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900040 (or 2900038 counting only the distinct ones).

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

The square root of 220401292 is about 14845.9183616238. The cubic root of 220401292 is about 604.0478998020.

It can be divided in two parts, 22040 and 1292, that added together give a palindrome (23332).

The spelling of 220401292 in words is "two hundred twenty million, four hundred one thousand, two hundred ninety-two".