422437700 has 18 divisors (see below), whose sum is σ = 916690026. Its totient is φ = 168975040.

The previous prime is 422437681. The next prime is 422437703. The reversal of 422437700 is 7734224.

It can be written as a sum of positive squares in 3 ways, for example, as 35450116 + 386987584 = 5954^2 + 19672^2 .

It is a super-2 number, since 2×422437700² = 356907220762580000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422437703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2112089 + ... + 2112288.

Almost surely, 2^422437700 is an apocalyptic number.

It is an amenable number.

422437700 is an abundant number, since it is smaller than the sum of its proper divisors (494252326).

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

422437700 is a wasteful number, since it uses less digits than its factorization.

422437700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224391 (or 4224384 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 422437700 is about 20553.2892744689. The cubic root of 422437700 is about 750.3333037081. Note that the first 4 decimals are identical.

The spelling of 422437700 in words is "four hundred twenty-two million, four hundred thirty-seven thousand, seven hundred".