622478376 has 72 divisors (see below), whose sum is σ = 1825573230. Its totient is φ = 191528064.

The previous prime is 622478369. The next prime is 622478401. The reversal of 622478376 is 673874226.

It can be written as a sum of positive squares in 3 ways, for example, as 514110276 + 108368100 = 22674^2 + 10410^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×622478376³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13411 + ... + 37746.

Almost surely, 2^622478376 is an apocalyptic number.

It is an amenable number.

622478376 is an abundant number, since it is smaller than the sum of its proper divisors (1203094854).

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

622478376 is a wasteful number, since it uses less digits than its factorization.

622478376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51195 (or 51175 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 622478376 is about 24949.5165484223. The cubic root of 622478376 is about 853.8365791064.

The spelling of 622478376 in words is "six hundred twenty-two million, four hundred seventy-eight thousand, three hundred seventy-six".