1022138495 has 32 divisors (see below), whose sum is σ = 1458760320. Its totient is φ = 672698880.

The previous prime is 1022138473. The next prime is 1022138519. The reversal of 1022138495 is 5948312201.

It is not a de Polignac number, because 1022138495 - 2¹⁶ = 1022072959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172685 + ... + 178505.

It is an arithmetic number, because the mean of its divisors is an integer number (45586260).

Almost surely, 2^1022138495 is an apocalyptic number.

1022138495 is a deficient number, since it is larger than the sum of its proper divisors (436621825).

1022138495 is a wasteful number, since it uses less digits than its factorization.

1022138495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1022138495 is about 31970.9007536541. The cubic root of 1022138495 is about 1007.3257013858.

The spelling of 1022138495 in words is "one billion, twenty-two million, one hundred thirty-eight thousand, four hundred ninety-five".