1922449968 has 60 divisors (see below), whose sum is σ = 5383135368. Its totient is φ = 640465920.

The previous prime is 1922449967. The next prime is 1922450003. The reversal of 1922449968 is 8699442291.

1922449968 is a `hidden beast` number, since 1 + 92 + 2 + 4 + 499 + 68 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1922449967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519003 + ... + 522693.

Almost surely, 2^1922449968 is an apocalyptic number.

1922449968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1922449968 is an abundant number, since it is smaller than the sum of its proper divisors (3460685400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1922449968 is a wasteful number, since it uses less digits than its factorization.

1922449968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322 (or 7313 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1922449968 is about 43845.7519949196. The cubic root of 1922449968 is about 1243.4214318633.

The spelling of 1922449968 in words is "one billion, nine hundred twenty-two million, four hundred forty-nine thousand, nine hundred sixty-eight".