1422144468 has 36 divisors (see below), whose sum is σ = 3710831488. Its totient is φ = 458755920.

The previous prime is 1422144467. The next prime is 1422144527. The reversal of 1422144468 is 8644412241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422144467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636046 + ... + 638277.

Almost surely, 2^1422144468 is an apocalyptic number.

1422144468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1422144468 is an abundant number, since it is smaller than the sum of its proper divisors (2288687020).

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

1422144468 is a wasteful number, since it uses less digits than its factorization.

1422144468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274364 (or 1274359 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 1422144468 is about 37711.3307641086. The cubic root of 1422144468 is about 1124.5563928046.

The spelling of 1422144468 in words is "one billion, four hundred twenty-two million, one hundred forty-four thousand, four hundred sixty-eight".