1422440988 has 12 divisors (see below), whose sum is σ = 3319029000. Its totient is φ = 474146992.

The previous prime is 1422440951. The next prime is 1422440993. The reversal of 1422440988 is 8890442241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1422440988² = 4046676728684832288, which contains 22 as substring.

It is a congruent number.

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, 59268363 + ... + 59268386.

It is an arithmetic number, because the mean of its divisors is an integer number (276585750).

Almost surely, 2^1422440988 is an apocalyptic number.

It is an amenable number.

1422440988 is an abundant number, since it is smaller than the sum of its proper divisors (1896588012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422440988 is a wasteful number, since it uses less digits than its factorization.

1422440988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118536756 (or 118536754 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1422440988 is about 37715.2620035974. The cubic root of 1422440988 is about 1124.6345448012.

The spelling of 1422440988 in words is "one billion, four hundred twenty-two million, four hundred forty thousand, nine hundred eighty-eight".