1622505552 has 40 divisors (see below), whose sum is σ = 4195151136. Its totient is φ = 540360576.

The previous prime is 1622505523. The next prime is 1622505553. The reversal of 1622505552 is 2555052261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622505553) 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 7 ways as a sum of consecutive naturals, for example, 42738 + ... + 71214.

Almost surely, 2^1622505552 is an apocalyptic number.

1622505552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1622505552 is an abundant number, since it is smaller than the sum of its proper divisors (2572645584).

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

1622505552 is a wasteful number, since it uses less digits than its factorization.

1622505552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29675 (or 29669 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1622505552 is about 40280.3370393049. The cubic root of 1622505552 is about 1175.0654683908.

The spelling of 1622505552 in words is "one billion, six hundred twenty-two million, five hundred five thousand, five hundred fifty-two".