422503615 has 12 divisors (see below), whose sum is σ = 513621864. Its totient is φ = 333599616.

The previous prime is 422503603. The next prime is 422503621. The reversal of 422503615 is 516305224.

It is not a de Polignac number, because 422503615 - 2¹¹ = 422501567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418231 + ... + 419239.

It is an arithmetic number, because the mean of its divisors is an integer number (42801822).

Almost surely, 2^422503615 is an apocalyptic number.

422503615 is a deficient number, since it is larger than the sum of its proper divisors (91118249).

422503615 is an frugal number, since it uses more digits than its factorization.

422503615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 422503615 is about 20554.8927265505. The cubic root of 422503615 is about 750.3723277248.

Adding to 422503615 its reverse (516305224), we get a palindrome (938808839).

The spelling of 422503615 in words is "four hundred twenty-two million, five hundred three thousand, six hundred fifteen".