1922402229 has 32 divisors (see below), whose sum is σ = 2876375040. Its totient is φ = 1131796800.

The previous prime is 1922402213. The next prime is 1922402233. The reversal of 1922402229 is 9222042291.

It is not a de Polignac number, because 1922402229 - 2⁴ = 1922402213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 1922402229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922402249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502412 + ... + 1503690.

It is an arithmetic number, because the mean of its divisors is an integer number (89886720).

Almost surely, 2^1922402229 is an apocalyptic number.

It is an amenable number.

1922402229 is a deficient number, since it is larger than the sum of its proper divisors (953972811).

1922402229 is a wasteful number, since it uses less digits than its factorization.

1922402229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1922402229 is about 43845.2075944453. The cubic root of 1922402229 is about 1243.4111394087.

The spelling of 1922402229 in words is "one billion, nine hundred twenty-two million, four hundred two thousand, two hundred twenty-nine".