622469925 has 288 divisors, whose sum is σ = 1535139840. Its totient is φ = 233280000.

The previous prime is 622469923. The next prime is 622469941. The reversal of 622469925 is 529964226.

It is not a de Polignac number, because 622469925 - 2¹ = 622469923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622469923) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 10204395 + ... + 10204455.

Almost surely, 2^622469925 is an apocalyptic number.

It is an amenable number.

622469925 is an abundant number, since it is smaller than the sum of its proper divisors (912669915).

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

622469925 is a wasteful number, since it uses less digits than its factorization.

622469925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 137 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 622469925 is about 24949.3471858484. The cubic root of 622469925 is about 853.8327150869.

The spelling of 622469925 in words is "six hundred twenty-two million, four hundred sixty-nine thousand, nine hundred twenty-five".