1949099922 has 80 divisors (see below), whose sum is σ = 5445139392. Its totient is φ = 506256480.

The previous prime is 1949099891. The next prime is 1949099923. The reversal of 1949099922 is 2299909491.

1949099922 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1949099923) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65653 + ... + 90600.

Almost surely, 2^1949099922 is an apocalyptic number.

1949099922 is an abundant number, since it is smaller than the sum of its proper divisors (3496039470).

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

1949099922 is a wasteful number, since it uses less digits than its factorization.

1949099922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156285 (or 156276 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The square root of 1949099922 is about 44148.6117788544. The cubic root of 1949099922 is about 1249.1407261474.

The spelling of 1949099922 in words is "one billion, nine hundred forty-nine million, ninety-nine thousand, nine hundred twenty-two".