622461672 has 160 divisors (see below), whose sum is σ = 2041744320. Its totient is φ = 173456640.

The previous prime is 622461649. The next prime is 622461683. The reversal of 622461672 is 276164226.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 184303 + ... + 187649.

It is an arithmetic number, because the mean of its divisors is an integer number (12760902).

Almost surely, 2^622461672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622461672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020872160).

622461672 is an abundant number, since it is smaller than the sum of its proper divisors (1419282648).

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

622461672 is a wasteful number, since it uses less digits than its factorization.

622461672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413 (or 3400 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 622461672 is about 24949.1817901910. The cubic root of 622461672 is about 853.8289415646.

It can be divided in two parts, 6224 and 61672, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 622461672 in words is "six hundred twenty-two million, four hundred sixty-one thousand, six hundred seventy-two".