220025481 has 8 divisors (see below), whose sum is σ = 315934080. Its totient is φ = 135400272.

The previous prime is 220025479. The next prime is 220025489. The reversal of 220025481 is 184520022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220025481 - 2¹ = 220025479 is a prime.

It is a super-2 number, since 2×220025481² = 96822424578562722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220025489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820801 + ... + 2820878.

It is an arithmetic number, because the mean of its divisors is an integer number (39491760).

Almost surely, 2^220025481 is an apocalyptic number.

It is an amenable number.

220025481 is a deficient number, since it is larger than the sum of its proper divisors (95908599).

220025481 is a wasteful number, since it uses less digits than its factorization.

220025481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641695.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 220025481 is about 14833.2559136556. The cubic root of 220025481 is about 603.7043794428.

The spelling of 220025481 in words is "two hundred twenty million, twenty-five thousand, four hundred eighty-one".