1922229285 has 16 divisors (see below), whose sum is σ = 3093987456. Its totient is φ = 1019048768.

The previous prime is 1922229277. The next prime is 1922229289. The reversal of 1922229285 is 5829222291.

It is a cyclic number.

It is not a de Polignac number, because 1922229285 - 2³ = 1922229277 is a prime.

It is a super-2 number, since 2×1922229285² = 7389930848223222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922229289) 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, 381174 + ... + 386183.

It is an arithmetic number, because the mean of its divisors is an integer number (193374216).

Almost surely, 2^1922229285 is an apocalyptic number.

1922229285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1922229285 is a deficient number, since it is larger than the sum of its proper divisors (1171758171).

1922229285 is a wasteful number, since it uses less digits than its factorization.

1922229285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767532.

The product of its digits is 103680, while the sum is 42.

The square root of 1922229285 is about 43843.2353391033. The cubic root of 1922229285 is about 1243.3738515228.

The spelling of 1922229285 in words is "one billion, nine hundred twenty-two million, two hundred twenty-nine thousand, two hundred eighty-five".