1422378051 has 16 divisors (see below), whose sum is σ = 1981337760. Its totient is φ = 906483200.

The previous prime is 1422378047. The next prime is 1422378079. The reversal of 1422378051 is 1508732241.

It is a cyclic number.

It is not a de Polignac number, because 1422378051 - 2² = 1422378047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422378751) 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, 72150 + ... + 89723.

It is an arithmetic number, because the mean of its divisors is an integer number (123833610).

Almost surely, 2^1422378051 is an apocalyptic number.

1422378051 is a deficient number, since it is larger than the sum of its proper divisors (558959709).

1422378051 is a wasteful number, since it uses less digits than its factorization.

1422378051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162006.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1422378051 is about 37714.4276239213. The cubic root of 1422378051 is about 1124.6179577820.

The spelling of 1422378051 in words is "one billion, four hundred twenty-two million, three hundred seventy-eight thousand, fifty-one".