622632042 has 16 divisors (see below), whose sum is σ = 1383626880. Its totient is φ = 207543996.

The previous prime is 622632029. The next prime is 622632047. The reversal of 622632042 is 240236226.

622632042 is a `hidden beast` number, since 6 + 22 + 632 + 0 + 4 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 622631997 and 622632015.

It is not an unprimeable number, because it can be changed into a prime (622632047) 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, 5765058 + ... + 5765165.

It is an arithmetic number, because the mean of its divisors is an integer number (86476680).

Almost surely, 2^622632042 is an apocalyptic number.

622632042 is an abundant number, since it is smaller than the sum of its proper divisors (760994838).

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

622632042 is a wasteful number, since it uses less digits than its factorization.

622632042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530234 (or 11530228 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 622632042 is about 24952.5958970204. The cubic root of 622632042 is about 853.9068331434.

Adding to 622632042 its reverse (240236226), we get a palindrome (862868268).

The spelling of 622632042 in words is "six hundred twenty-two million, six hundred thirty-two thousand, forty-two".