623455622 has 4 divisors (see below), whose sum is σ = 935183436. Its totient is φ = 311727810.

The previous prime is 623455619. The next prime is 623455633. The reversal of 623455622 is 226554326.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155863904 + ... + 155863907.

It is an arithmetic number, because the mean of its divisors is an integer number (233795859).

Almost surely, 2^623455622 is an apocalyptic number.

623455622 is a deficient number, since it is larger than the sum of its proper divisors (311727814).

623455622 is a wasteful number, since it uses less digits than its factorization.

623455622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311727813.

The product of its digits is 86400, while the sum is 35.

The square root of 623455622 is about 24969.0933355619. The cubic root of 623455622 is about 854.2831660297.

The spelling of 623455622 in words is "six hundred twenty-three million, four hundred fifty-five thousand, six hundred twenty-two".