622064250 has 96 divisors (see below), whose sum is σ = 1702838592. Its totient is φ = 163836000.

The previous prime is 622064243. The next prime is 622064251. The reversal of 622064250 is 52460226.

It is a super-2 number, since 2×622064250² = 773927862256125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622064251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185085 + ... + 188415.

It is an arithmetic number, because the mean of its divisors is an integer number (17737902).

Almost surely, 2^622064250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622064250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851419296).

622064250 is an abundant number, since it is smaller than the sum of its proper divisors (1080774342).

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

622064250 is a wasteful number, since it uses less digits than its factorization.

622064250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437 (or 3424 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 622064250 is about 24941.2158885649. The cubic root of 622064250 is about 853.6471886612.

The spelling of 622064250 in words is "six hundred twenty-two million, sixty-four thousand, two hundred fifty".