422100524 has 12 divisors (see below), whose sum is σ = 740384904. Its totient is φ = 210561984.

The previous prime is 422100521. The next prime is 422100571. The reversal of 422100524 is 425001224.

It is a happy number.

It is a super-2 number, since 2×422100524² = 356337704722149152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422100496 and 422100505.

It is not an unprimeable number, because it can be changed into a prime (422100521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120122 + ... + 123585.

It is an arithmetic number, because the mean of its divisors is an integer number (61698742).

Almost surely, 2^422100524 is an apocalyptic number.

It is an amenable number.

422100524 is a deficient number, since it is larger than the sum of its proper divisors (318284380).

422100524 is a wasteful number, since it uses less digits than its factorization.

422100524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244144 (or 244142 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 422100524 is about 20545.0851543623. The cubic root of 422100524 is about 750.1336200447.

Adding to 422100524 its reverse (425001224), we get a palindrome (847101748).

The spelling of 422100524 in words is "four hundred twenty-two million, one hundred thousand, five hundred twenty-four".