622038690 has 384 divisors, whose sum is σ = 2157442560. Its totient is φ = 125411328.

The previous prime is 622038673. The next prime is 622038737. The reversal of 622038690 is 96830226.

It is a super-2 number, since 2×622038690² = 773864263713832200, which contains 22 as substring.

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 191 ways as a sum of consecutive naturals, for example, 6412722 + ... + 6412818.

It is an arithmetic number, because the mean of its divisors is an integer number (5618340).

Almost surely, 2^622038690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622038690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078721280).

622038690 is an abundant number, since it is smaller than the sum of its proper divisors (1535403870).

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

622038690 is a wasteful number, since it uses less digits than its factorization.

622038690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 622038690 is about 24940.7034784506. The cubic root of 622038690 is about 853.6354966636.

The spelling of 622038690 in words is "six hundred twenty-two million, thirty-eight thousand, six hundred ninety".