1422002144 has 12 divisors (see below), whose sum is σ = 2799566784. Its totient is φ = 711001056.

The previous prime is 1422002089. The next prime is 1422002173. The reversal of 1422002144 is 4412002241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22218752 + ... + 22218815.

It is an arithmetic number, because the mean of its divisors is an integer number (233297232).

Almost surely, 2^1422002144 is an apocalyptic number.

It is an amenable number.

1422002144 is a deficient number, since it is larger than the sum of its proper divisors (1377564640).

1422002144 is an equidigital number, since it uses as much as digits as its factorization.

1422002144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44437577 (or 44437569 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1422002144 is about 37709.4436978325. The cubic root of 1422002144 is about 1124.5188774637.

Adding to 1422002144 its reverse (4412002241), we get a palindrome (5834004385).

The spelling of 1422002144 in words is "one billion, four hundred twenty-two million, two thousand, one hundred forty-four".