1922448975 has 24 divisors (see below), whose sum is σ = 3345738240. Its totient is φ = 971341920.

The previous prime is 1922448971. The next prime is 1922448989. The reversal of 1922448975 is 5798442291.

It is not a de Polignac number, because 1922448975 - 2² = 1922448971 is a prime.

It is a super-2 number, since 2×1922448975² = 7391620122957101250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922448971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673119 + ... + 675968.

It is an arithmetic number, because the mean of its divisors is an integer number (139405760).

Almost surely, 2^1922448975 is an apocalyptic number.

1922448975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1922448975 is a deficient number, since it is larger than the sum of its proper divisors (1423289265).

1922448975 is a wasteful number, since it uses less digits than its factorization.

1922448975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349119 (or 1349114 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 1922448975 is about 43845.7406711302. The cubic root of 1922448975 is about 1243.4212177758.

The spelling of 1922448975 in words is "one billion, nine hundred twenty-two million, four hundred forty-eight thousand, nine hundred seventy-five".