1622234445 has 32 divisors (see below), whose sum is σ = 2803272192. Its totient is φ = 796342272.

The previous prime is 1622234437. The next prime is 1622234479. The reversal of 1622234445 is 5444322261.

It is not a de Polignac number, because 1622234445 - 2³ = 1622234437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57052 + ... + 80618.

It is an arithmetic number, because the mean of its divisors is an integer number (87602256).

Almost surely, 2^1622234445 is an apocalyptic number.

1622234445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1622234445 is a deficient number, since it is larger than the sum of its proper divisors (1181037747).

1622234445 is a wasteful number, since it uses less digits than its factorization.

1622234445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23941.

The product of its digits is 46080, while the sum is 33.

The square root of 1622234445 is about 40276.9716463391. The cubic root of 1622234445 is about 1175.0000169006. Note that the first 4 decimals are identical.

The spelling of 1622234445 in words is "one billion, six hundred twenty-two million, two hundred thirty-four thousand, four hundred forty-five".