1622216364 has 24 divisors (see below), whose sum is σ = 4007829168. Its totient is φ = 508930560.

The previous prime is 1622216353. The next prime is 1622216369. The reversal of 1622216364 is 4636122261.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1622216369) 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, 3975817 + ... + 3976224.

It is an arithmetic number, because the mean of its divisors is an integer number (166992882).

Almost surely, 2^1622216364 is an apocalyptic number.

It is an amenable number.

1622216364 is an abundant number, since it is smaller than the sum of its proper divisors (2385612804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622216364 is a wasteful number, since it uses less digits than its factorization.

1622216364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952065 (or 7952063 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 1622216364 is about 40276.7471874281. The cubic root of 1622216364 is about 1174.9956514703.

The spelling of 1622216364 in words is "one billion, six hundred twenty-two million, two hundred sixteen thousand, three hundred sixty-four".