1622431603 has 24 divisors (see below), whose sum is σ = 1868722800. Its totient is φ = 1403910144.

The previous prime is 1622431571. The next prime is 1622431607. The reversal of 1622431603 is 3061342261.

It is not a de Polignac number, because 1622431603 - 2⁵ = 1622431571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1622431607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308863 + ... + 314071.

It is an arithmetic number, because the mean of its divisors is an integer number (77863450).

Almost surely, 2^1622431603 is an apocalyptic number.

1622431603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1622431603 is a deficient number, since it is larger than the sum of its proper divisors (246291197).

1622431603 is a wasteful number, since it uses less digits than its factorization.

1622431603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1622431603 is about 40279.4190995848. The cubic root of 1622431603 is about 1175.0476161177.

Adding to 1622431603 its reverse (3061342261), we get a palindrome (4683773864).

The spelling of 1622431603 in words is "one billion, six hundred twenty-two million, four hundred thirty-one thousand, six hundred three".