623426622 has 64 divisors (see below), whose sum is σ = 1538611200. Its totient is φ = 163989504.

The previous prime is 623426611. The next prime is 623426633. The reversal of 623426622 is 226624326.

623426622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (623426611) and next prime (623426633).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243883 + ... + 246425.

It is an arithmetic number, because the mean of its divisors is an integer number (24040800).

Almost surely, 2^623426622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623426622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769305600).

623426622 is an abundant number, since it is smaller than the sum of its proper divisors (915184578).

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

623426622 is a wasteful number, since it uses less digits than its factorization.

623426622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017.

The product of its digits is 41472, while the sum is 33.

The square root of 623426622 is about 24968.5126108865. The cubic root of 623426622 is about 854.2699201814.

The spelling of 623426622 in words is "six hundred twenty-three million, four hundred twenty-six thousand, six hundred twenty-two".