1922442249 has 64 divisors (see below), whose sum is σ = 3332188160. Its totient is φ = 957381120.

The previous prime is 1922442227. The next prime is 1922442257. The reversal of 1922442249 is 9422442291.

It is not a de Polignac number, because 1922442249 - 2⁹ = 1922441737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1922442349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2370054 + ... + 2370864.

It is an arithmetic number, because the mean of its divisors is an integer number (52065440).

Almost surely, 2^1922442249 is an apocalyptic number.

1922442249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1922442249 is a deficient number, since it is larger than the sum of its proper divisors (1409745911).

1922442249 is a wasteful number, since it uses less digits than its factorization.

1922442249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310.

The product of its digits is 82944, while the sum is 39.

The square root of 1922442249 is about 43845.6639703403. The cubic root of 1922442249 is about 1243.4197676704.

The spelling of 1922442249 in words is "one billion, nine hundred twenty-two million, four hundred forty-two thousand, two hundred forty-nine".