455321622 has 48 divisors (see below), whose sum is σ = 1079343792. Its totient is φ = 127632960.

The previous prime is 455321621. The next prime is 455321627. The reversal of 455321622 is 226123554.

It is a self number, because there is not a number n which added to its sum of digits gives 455321622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455321621) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 972 + ... + 30192.

It is an arithmetic number, because the mean of its divisors is an integer number (22486329).

Almost surely, 2^455321622 is an apocalyptic number.

455321622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 455321622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539671896).

455321622 is an abundant number, since it is smaller than the sum of its proper divisors (624022170).

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

455321622 is a wasteful number, since it uses less digits than its factorization.

455321622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29293 (or 29286 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 455321622 is about 21338.2666118877. The cubic root of 455321622 is about 769.3183499086.

The spelling of 455321622 in words is "four hundred fifty-five million, three hundred twenty-one thousand, six hundred twenty-two".