220148944 has 10 divisors (see below), whose sum is σ = 426538610. Its totient is φ = 110074464.

The previous prime is 220148923. The next prime is 220148977. The reversal of 220148944 is 449841022.

220148944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 83539600 = 11688^2 + 9140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879639 + ... + 6879670.

It is an arithmetic number, because the mean of its divisors is an integer number (42653861).

Almost surely, 2^220148944 is an apocalyptic number.

It is an amenable number.

220148944 is a deficient number, since it is larger than the sum of its proper divisors (206389666).

220148944 is a wasteful number, since it uses less digits than its factorization.

220148944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13759317 (or 13759311 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 220148944 is about 14837.4170258843. The cubic root of 220148944 is about 603.8172773012.

Adding to 220148944 its reverse (449841022), we get a palindrome (669989966).

The spelling of 220148944 in words is "two hundred twenty million, one hundred forty-eight thousand, nine hundred forty-four".