422520898 has 24 divisors (see below), whose sum is σ = 670643820. Its totient is φ = 199618560.

The previous prime is 422520893. The next prime is 422520911. The reversal of 422520898 is 898025224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 351675009 + 70845889 = 18753^2 + 8417^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422520898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422520893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549058 + ... + 549826.

Almost surely, 2^422520898 is an apocalyptic number.

422520898 is a deficient number, since it is larger than the sum of its proper divisors (248122922).

422520898 is a wasteful number, since it uses less digits than its factorization.

422520898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 422520898 is about 20555.3131331050. The cubic root of 422520898 is about 750.3825592018.

The spelling of 422520898 in words is "four hundred twenty-two million, five hundred twenty thousand, eight hundred ninety-eight".