1422967478 has 8 divisors (see below), whose sum is σ = 2135077968. Its totient is φ = 711274824.

The previous prime is 1422967477. The next prime is 1422967489. The reversal of 1422967478 is 8747692241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422967471) 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, 95801 + ... + 109652.

It is an arithmetic number, because the mean of its divisors is an integer number (266884746).

Almost surely, 2^1422967478 is an apocalyptic number.

1422967478 is a deficient number, since it is larger than the sum of its proper divisors (712110490).

1422967478 is a wasteful number, since it uses less digits than its factorization.

1422967478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208918.

The product of its digits is 1354752, while the sum is 50.

The square root of 1422967478 is about 37722.2411582345. The cubic root of 1422967478 is about 1124.7732818523.

The spelling of 1422967478 in words is "one billion, four hundred twenty-two million, nine hundred sixty-seven thousand, four hundred seventy-eight".