1623222477 has 16 divisors (see below), whose sum is σ = 2417372160. Its totient is φ = 1076479200.

The previous prime is 1623222397. The next prime is 1623222479. The reversal of 1623222477 is 7742223261.

It is a happy number.

1623222477 is a `hidden beast` number, since 1 + 623 + 2 + 2 + 24 + 7 + 7 = 666.

It is not a de Polignac number, because 1623222477 - 2²⁴ = 1606445261 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623222479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152224 + ... + 162537.

It is an arithmetic number, because the mean of its divisors is an integer number (151085760).

Almost surely, 2^1623222477 is an apocalyptic number.

It is an amenable number.

1623222477 is a deficient number, since it is larger than the sum of its proper divisors (794149683).

1623222477 is a wasteful number, since it uses less digits than its factorization.

1623222477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314961 (or 314955 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 1623222477 is about 40289.2352496296. The cubic root of 1623222477 is about 1175.2385155154.

The spelling of 1623222477 in words is "one billion, six hundred twenty-three million, two hundred twenty-two thousand, four hundred seventy-seven".