1422023555 has 16 divisors (see below), whose sum is σ = 1858183200. Its totient is φ = 1040578560.

The previous prime is 1422023513. The next prime is 1422023557. The reversal of 1422023555 is 5553202241.

It is not a de Polignac number, because 1422023555 - 2⁸ = 1422023299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1422023557) 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, 255326 + ... + 260835.

It is an arithmetic number, because the mean of its divisors is an integer number (116136450).

Almost surely, 2^1422023555 is an apocalyptic number.

1422023555 is a deficient number, since it is larger than the sum of its proper divisors (436159645).

1422023555 is a wasteful number, since it uses less digits than its factorization.

1422023555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516214.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1422023555 is about 37709.7275911667. The cubic root of 1422023555 is about 1124.5245213729.

Adding to 1422023555 its reverse (5553202241), we get a palindrome (6975225796).

The spelling of 1422023555 in words is "one billion, four hundred twenty-two million, twenty-three thousand, five hundred fifty-five".