4640622 has 16 divisors (see below), whose sum is σ = 10607232. Its totient is φ = 1325880.

The previous prime is 4640599. The next prime is 4640717. The reversal of 4640622 is 2260464.

It is a junction number, because it is equal to n+sod(n) for n = 4640592 and 4640601.

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, 55204 + ... + 55287.

It is an arithmetic number, because the mean of its divisors is an integer number (662952).

Almost surely, 2^4640622 is an apocalyptic number.

4640622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4640622 is an abundant number, since it is smaller than the sum of its proper divisors (5966610).

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

4640622 is a wasteful number, since it uses less digits than its factorization.

4640622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110503.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4640622 is about 2154.2102961410. The cubic root of 4640622 is about 166.7984708496.

The spelling of 4640622 in words is "four million, six hundred forty thousand, six hundred twenty-two".