422440330 has 64 divisors (see below), whose sum is σ = 835984800. Its totient is φ = 152764416.

The previous prime is 422440313. The next prime is 422440349. The reversal of 422440330 is 33044224.

It can be written as a sum of positive squares in 16 ways, for example, as 116575209 + 305865121 = 10797^2 + 17489^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2188714 + ... + 2188906.

Almost surely, 2^422440330 is an apocalyptic number.

422440330 is a deficient number, since it is larger than the sum of its proper divisors (413544470).

422440330 is a wasteful number, since it uses less digits than its factorization.

422440330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 422440330 is about 20553.3532543962. The cubic root of 422440330 is about 750.3348608391.

Adding to 422440330 its reverse (33044224), we get a palindrome (455484554).

The spelling of 422440330 in words is "four hundred twenty-two million, four hundred forty thousand, three hundred thirty".