622020552 has 64 divisors (see below), whose sum is σ = 1578830400. Its totient is φ = 204195840.

The previous prime is 622020523. The next prime is 622020559. The reversal of 622020552 is 255020226.

It is a super-2 number, since 2×622020552² = 773819134220769408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (622020559) 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 15 ways as a sum of consecutive naturals, for example, 456352 + ... + 457712.

It is an arithmetic number, because the mean of its divisors is an integer number (24669225).

Almost surely, 2^622020552 is an apocalyptic number.

It is an amenable number.

622020552 is an abundant number, since it is smaller than the sum of its proper divisors (956809848).

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

622020552 is a wasteful number, since it uses less digits than its factorization.

622020552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 622020552 is about 24940.3398533380. The cubic root of 622020552 is about 853.6271995425.

Adding to 622020552 its reverse (255020226), we get a palindrome (877040778).

The spelling of 622020552 in words is "six hundred twenty-two million, twenty thousand, five hundred fifty-two".