220591468 has 6 divisors (see below), whose sum is σ = 386035076. Its totient is φ = 110295732.

The previous prime is 220591453. The next prime is 220591493. The reversal of 220591468 is 864195022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27573930 + ... + 27573937.

Almost surely, 2^220591468 is an apocalyptic number.

It is an amenable number.

220591468 is a deficient number, since it is larger than the sum of its proper divisors (165443608).

220591468 is a wasteful number, since it uses less digits than its factorization.

220591468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55147871 (or 55147869 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 220591468 is about 14852.3219733481. The cubic root of 220591468 is about 604.2215866069.

The spelling of 220591468 in words is "two hundred twenty million, five hundred ninety-one thousand, four hundred sixty-eight".