1622963044 has 12 divisors (see below), whose sum is σ = 2876137600. Its totient is φ = 801209448.

The previous prime is 1622963029. The next prime is 1622963081. The reversal of 1622963044 is 4403692261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1622962994 and 1622963012.

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, 2567664 + ... + 2568295.

Almost surely, 2^1622963044 is an apocalyptic number.

It is an amenable number.

1622963044 is a deficient number, since it is larger than the sum of its proper divisors (1253174556).

1622963044 is a wasteful number, since it uses less digits than its factorization.

1622963044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136042 (or 5136040 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1622963044 is about 40286.0154892489. The cubic root of 1622963044 is about 1175.1759009934.

The spelling of 1622963044 in words is "one billion, six hundred twenty-two million, nine hundred sixty-three thousand, forty-four".