622454274 has 64 divisors (see below), whose sum is σ = 1493278080. Its totient is φ = 191056320.

The previous prime is 622454243. The next prime is 622454279. The reversal of 622454274 is 472454226.

622454274 is a `hidden beast` number, since 6 + 224 + 5 + 427 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (622454279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383184 + ... + 384804.

It is an arithmetic number, because the mean of its divisors is an integer number (23332470).

Almost surely, 2^622454274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622454274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746639040).

622454274 is an abundant number, since it is smaller than the sum of its proper divisors (870823806).

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

622454274 is a wasteful number, since it uses less digits than its factorization.

622454274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2186 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 622454274 is about 24949.0335283754. The cubic root of 622454274 is about 853.8255589459.

The spelling of 622454274 in words is "six hundred twenty-two million, four hundred fifty-four thousand, two hundred seventy-four".