622379454 has 8 divisors (see below), whose sum is σ = 1244758920. Its totient is φ = 207459816.

The previous prime is 622379453. The next prime is 622379489. The reversal of 622379454 is 454973226.

It is a sphenic number, since it is the product of 3 distinct primes.

622379454 is an admirable number.

It is a super-2 number, since 2×622379454² = 774712369522676232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622379453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51864949 + ... + 51864960.

It is an arithmetic number, because the mean of its divisors is an integer number (155594865).

Almost surely, 2^622379454 is an apocalyptic number.

622379454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

622379454 is a wasteful number, since it uses less digits than its factorization.

622379454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103729914.

The product of its digits is 362880, while the sum is 42.

The square root of 622379454 is about 24947.5340264324. The cubic root of 622379454 is about 853.7913471755.

The spelling of 622379454 in words is "six hundred twenty-two million, three hundred seventy-nine thousand, four hundred fifty-four".