63144922 has 4 divisors (see below), whose sum is σ = 94717386. Its totient is φ = 31572460.

The previous prime is 63144911. The next prime is 63144947. The reversal of 63144922 is 22944136.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62583921 + 561001 = 7911^2 + 749^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15786229 + ... + 15786232.

Almost surely, 2^63144922 is an apocalyptic number.

63144922 is a deficient number, since it is larger than the sum of its proper divisors (31572464).

63144922 is a wasteful number, since it uses less digits than its factorization.

63144922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31572463.

The product of its digits is 10368, while the sum is 31.

The square root of 63144922 is about 7946.3779170135. The cubic root of 63144922 is about 398.2105945067.

It can be divided in two parts, 6314 and 4922, that added together give a square (11236 = 106²).

The spelling of 63144922 in words is "sixty-three million, one hundred forty-four thousand, nine hundred twenty-two".