622031090 has 32 divisors (see below), whose sum is σ = 1196850816. Its totient is φ = 232186240.

The previous prime is 622031083. The next prime is 622031107. The reversal of 622031090 is 90130226.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23552 + ... + 42411.

It is an arithmetic number, because the mean of its divisors is an integer number (37401588).

Almost surely, 2^622031090 is an apocalyptic number.

622031090 is a deficient number, since it is larger than the sum of its proper divisors (574819726).

622031090 is a wasteful number, since it uses less digits than its factorization.

622031090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66034.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 622031090 is about 24940.5511166053. The cubic root of 622031090 is about 853.6320201081.

The spelling of 622031090 in words is "six hundred twenty-two million, thirty-one thousand, ninety".