622136052 has 30 divisors (see below), whose sum is σ = 1626387378. Its totient is φ = 207378576.

The previous prime is 622136041. The next prime is 622136107. The reversal of 622136052 is 250631226.

622136052 is a `hidden beast` number, since 622 + 1 + 36 + 0 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 528356196 + 93779856 = 22986^2 + 9684^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 959763 + ... + 960410.

Almost surely, 2^622136052 is an apocalyptic number.

It is an amenable number.

622136052 is an abundant number, since it is smaller than the sum of its proper divisors (1004251326).

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

622136052 is a wasteful number, since it uses less digits than its factorization.

622136052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920189 (or 1920178 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 622136052 is about 24942.6552716426. The cubic root of 622136052 is about 853.6800315802.

Adding to 622136052 its reverse (250631226), we get a palindrome (872767278).

It can be divided in two parts, 62213 and 6052, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 622136052 in words is "six hundred twenty-two million, one hundred thirty-six thousand, fifty-two".