1622604412 has 24 divisors (see below), whose sum is σ = 3335985072. Its totient is φ = 680812800.

The previous prime is 1622604367. The next prime is 1622604413. The reversal of 1622604412 is 2144062261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622604413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417789 + ... + 1418932.

It is an arithmetic number, because the mean of its divisors is an integer number (138999378).

Almost surely, 2^1622604412 is an apocalyptic number.

It is an amenable number.

1622604412 is an abundant number, since it is smaller than the sum of its proper divisors (1713380660).

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

1622604412 is a wasteful number, since it uses less digits than its factorization.

1622604412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836749 (or 2836747 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1622604412 is about 40281.5641702256. The cubic root of 1622604412 is about 1175.0893336636.

Adding to 1622604412 its reverse (2144062261), we get a palindrome (3766666673).

The spelling of 1622604412 in words is "one billion, six hundred twenty-two million, six hundred four thousand, four hundred twelve".