622310142 has 16 divisors (see below), whose sum is σ = 1246286592. Its totient is φ = 207159000.

The previous prime is 622310123. The next prime is 622310191. The reversal of 622310142 is 241013226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64548 + ... + 73559.

It is an arithmetic number, because the mean of its divisors is an integer number (77892912).

Almost surely, 2^622310142 is an apocalyptic number.

622310142 is an abundant number, since it is smaller than the sum of its proper divisors (623976450).

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

622310142 is a wasteful number, since it uses less digits than its factorization.

622310142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138863.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 622310142 is about 24946.1448324185. The cubic root of 622310142 is about 853.7596515154.

Adding to 622310142 its reverse (241013226), we get a palindrome (863323368).

The spelling of 622310142 in words is "six hundred twenty-two million, three hundred ten thousand, one hundred forty-two".