623226477 has 48 divisors (see below), whose sum is σ = 919624640. Its totient is φ = 375072768.

The previous prime is 623226473. The next prime is 623226479. The reversal of 623226477 is 774622326.

It is not a de Polignac number, because 623226477 - 2² = 623226473 is a prime.

It is a super-2 number, since 2×623226477² = 776822483267663058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623226473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2721399 + ... + 2721627.

Almost surely, 2^623226477 is an apocalyptic number.

It is an amenable number.

623226477 is a deficient number, since it is larger than the sum of its proper divisors (296398163).

623226477 is a wasteful number, since it uses less digits than its factorization.

623226477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 365 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 623226477 is about 24964.5043411641. The cubic root of 623226477 is about 854.1784920713.

The spelling of 623226477 in words is "six hundred twenty-three million, two hundred twenty-six thousand, four hundred seventy-seven".