422232723 has 64 divisors (see below), whose sum is σ = 727626240. Its totient is φ = 239155200.

The previous prime is 422232697. The next prime is 422232737. The reversal of 422232723 is 327232224.

It is a happy number.

422232723 is a `hidden beast` number, since 422 + 232 + 7 + 2 + 3 = 666.

It is not a de Polignac number, because 422232723 - 2⁵ = 422232691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (422232793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1216636 + ... + 1216982.

It is an arithmetic number, because the mean of its divisors is an integer number (11369160).

Almost surely, 2^422232723 is an apocalyptic number.

422232723 is a deficient number, since it is larger than the sum of its proper divisors (305393517).

422232723 is a wasteful number, since it uses less digits than its factorization.

422232723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 619 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 422232723 is about 20548.3021926387. The cubic root of 422232723 is about 750.2119241119.

Adding to 422232723 its reverse (327232224), we get a palindrome (749464947).

The spelling of 422232723 in words is "four hundred twenty-two million, two hundred thirty-two thousand, seven hundred twenty-three".