422602253 has 4 divisors (see below), whose sum is σ = 440976288. Its totient is φ = 404228220.

The previous prime is 422602249. The next prime is 422602277. The reversal of 422602253 is 352206224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422602253 - 2² = 422602249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422602223) 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, 9186983 + ... + 9187028.

It is an arithmetic number, because the mean of its divisors is an integer number (110244072).

Almost surely, 2^422602253 is an apocalyptic number.

It is an amenable number.

422602253 is a deficient number, since it is larger than the sum of its proper divisors (18374035).

422602253 is a wasteful number, since it uses less digits than its factorization.

422602253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18374034.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 422602253 is about 20557.2919665991. The cubic root of 422602253 is about 750.4307173368.

Adding to 422602253 its reverse (352206224), we get a palindrome (774808477).

The spelling of 422602253 in words is "four hundred twenty-two million, six hundred two thousand, two hundred fifty-three".