1422173864 has 32 divisors (see below), whose sum is σ = 2813448000. Its totient is φ = 672095232.

The previous prime is 1422173861. The next prime is 1422173869. The reversal of 1422173864 is 4683712241.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1422173861) 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 7 ways as a sum of consecutive naturals, for example, 56072 + ... + 77384.

It is an arithmetic number, because the mean of its divisors is an integer number (87920250).

Almost surely, 2^1422173864 is an apocalyptic number.

It is an amenable number.

1422173864 is a deficient number, since it is larger than the sum of its proper divisors (1391274136).

1422173864 is a wasteful number, since it uses less digits than its factorization.

1422173864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21777 (or 21773 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 1422173864 is about 37711.7205123288. The cubic root of 1422173864 is about 1124.5641410170.

The spelling of 1422173864 in words is "one billion, four hundred twenty-two million, one hundred seventy-three thousand, eight hundred sixty-four".