422451337722 has 16 divisors (see below), whose sum is σ = 851555453952. Its totient is φ = 139708316160.

The previous prime is 422451337661. The next prime is 422451337753. The reversal of 422451337722 is 227733154224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277198279 + ... + 277199802.

It is an arithmetic number, because the mean of its divisors is an integer number (53222215872).

Almost surely, 2^422451337722 is an apocalyptic number.

422451337722 is an abundant number, since it is smaller than the sum of its proper divisors (429104116230).

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

422451337722 is a wasteful number, since it uses less digits than its factorization.

422451337722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554398213.

The product of its digits is 564480, while the sum is 42.

The spelling of 422451337722 in words is "four hundred twenty-two billion, four hundred fifty-one million, three hundred thirty-seven thousand, seven hundred twenty-two".