1622139052 has 54 divisors (see below), whose sum is σ = 3021791388. Its totient is φ = 761509728.

The previous prime is 1622139037. The next prime is 1622139061. The reversal of 1622139052 is 2509312261.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19543803 + ... + 19543885.

Almost surely, 2^1622139052 is an apocalyptic number.

It is an amenable number.

1622139052 is a deficient number, since it is larger than the sum of its proper divisors (1399652336).

1622139052 is an equidigital number, since it uses as much as digits as its factorization.

1622139052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1622139052 is about 40275.7874162629. The cubic root of 1622139052 is about 1174.9769850932.

The spelling of 1622139052 in words is "one billion, six hundred twenty-two million, one hundred thirty-nine thousand, fifty-two".