622649132 has 24 divisors (see below), whose sum is σ = 1245972000. Its totient is φ = 266705280.

The previous prime is 622649129. The next prime is 622649149. The reversal of 622649132 is 231946226.

It is a junction number, because it is equal to n+sod(n) for n = 622649092 and 622649101.

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, 58994 + ... + 68742.

It is an arithmetic number, because the mean of its divisors is an integer number (51915500).

Almost surely, 2^622649132 is an apocalyptic number.

It is an amenable number.

622649132 is an abundant number, since it is smaller than the sum of its proper divisors (623322868).

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

622649132 is a wasteful number, since it uses less digits than its factorization.

622649132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12041 (or 12039 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 622649132 is about 24952.9383440107. The cubic root of 622649132 is about 853.9146457482.

The spelling of 622649132 in words is "six hundred twenty-two million, six hundred forty-nine thousand, one hundred thirty-two".