2243949926 has 32 divisors (see below), whose sum is σ = 3563705376. Its totient is φ = 1058400000.

The previous prime is 2243949923. The next prime is 2243949931. The reversal of 2243949926 is 6299493422.

It is a super-2 number, since 2×2243949926² = 10070622540790810952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243949923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352976 + ... + 359276.

It is an arithmetic number, because the mean of its divisors is an integer number (111365793).

Almost surely, 2^2243949926 is an apocalyptic number.

2243949926 is a deficient number, since it is larger than the sum of its proper divisors (1319755450).

2243949926 is a wasteful number, since it uses less digits than its factorization.

2243949926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488.

The product of its digits is 1679616, while the sum is 50.

The square root of 2243949926 is about 47370.3485948753. The cubic root of 2243949926 is about 1309.1951480527.

The spelling of 2243949926 in words is "two billion, two hundred forty-three million, nine hundred forty-nine thousand, nine hundred twenty-six".