422187365 has 16 divisors (see below), whose sum is σ = 524810880. Its totient is φ = 325657920.

The previous prime is 422187361. The next prime is 422187383. The reversal of 422187365 is 563781224.

It is a happy number.

It is not a de Polignac number, because 422187365 - 2² = 422187361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422187361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138710 + ... + 141720.

It is an arithmetic number, because the mean of its divisors is an integer number (32800680).

Almost surely, 2^422187365 is an apocalyptic number.

It is an amenable number.

422187365 is a deficient number, since it is larger than the sum of its proper divisors (102623515).

422187365 is a wasteful number, since it uses less digits than its factorization.

422187365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012.

The product of its digits is 80640, while the sum is 38.

The square root of 422187365 is about 20547.1984708378. The cubic root of 422187365 is about 750.1850595187.

The spelling of 422187365 in words is "four hundred twenty-two million, one hundred eighty-seven thousand, three hundred sixty-five".