622344997542 has 64 divisors (see below), whose sum is σ = 1340926709760. Its totient is φ = 191996006400.

The previous prime is 622344997537. The next prime is 622344997543. The reversal of 622344997542 is 245799443226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622344997543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48459042 + ... + 48471882.

It is an arithmetic number, because the mean of its divisors is an integer number (20951979840).

Almost surely, 2^622344997542 is an apocalyptic number.

622344997542 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

622344997542 is an abundant number, since it is smaller than the sum of its proper divisors (718581712218).

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

622344997542 is a wasteful number, since it uses less digits than its factorization.

622344997542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24229.

The product of its digits is 26127360, while the sum is 57.

The spelling of 622344997542 in words is "six hundred twenty-two billion, three hundred forty-four million, nine hundred ninety-seven thousand, five hundred forty-two".