1422894145 has 4 divisors (see below), whose sum is σ = 1707472980. Its totient is φ = 1138315312.

The previous prime is 1422894131. The next prime is 1422894167. The reversal of 1422894145 is 5414982241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 793436224 + 629457921 = 28168^2 + 25089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422894145 - 2²⁹ = 886023233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1422894098 and 1422894107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142289410 + ... + 142289419.

It is an arithmetic number, because the mean of its divisors is an integer number (426868245).

Almost surely, 2^1422894145 is an apocalyptic number.

It is an amenable number.

1422894145 is a deficient number, since it is larger than the sum of its proper divisors (284578835).

1422894145 is an equidigital number, since it uses as much as digits as its factorization.

1422894145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284578834.

The product of its digits is 92160, while the sum is 40.

The square root of 1422894145 is about 37721.2691329441. The cubic root of 1422894145 is about 1124.7539596922.

The spelling of 1422894145 in words is "one billion, four hundred twenty-two million, eight hundred ninety-four thousand, one hundred forty-five".