1422001553 has 16 divisors (see below), whose sum is σ = 1723008000. Its totient is φ = 1146385872.

The previous prime is 1422001541. The next prime is 1422001571. The reversal of 1422001553 is 3551002241.

It is a cyclic number.

It is not a de Polignac number, because 1422001553 - 2¹⁸ = 1421739409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422001753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19973 + ... + 56946.

It is an arithmetic number, because the mean of its divisors is an integer number (107688000).

Almost surely, 2^1422001553 is an apocalyptic number.

It is an amenable number.

1422001553 is a deficient number, since it is larger than the sum of its proper divisors (301006447).

1422001553 is a wasteful number, since it uses less digits than its factorization.

1422001553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77084.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1422001553 is about 37709.4358615984. The cubic root of 1422001553 is about 1124.5187216762.

Adding to 1422001553 its reverse (3551002241), we get a palindrome (4973003794).

The spelling of 1422001553 in words is "one billion, four hundred twenty-two million, one thousand, five hundred fifty-three".