2249909881 has 8 divisors (see below), whose sum is σ = 2299680000. Its totient is φ = 2200219008.

The previous prime is 2249909869. The next prime is 2249909917. The reversal of 2249909881 is 1889099422.

2249909881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2249909881 - 2⁹ = 2249909369 is a prime.

It is a super-2 number, since 2×2249909881² = 10124188945242868322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249009881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39540 + ... + 77866.

It is an arithmetic number, because the mean of its divisors is an integer number (287460000).

Almost surely, 2^2249909881 is an apocalyptic number.

It is an amenable number.

2249909881 is a deficient number, since it is larger than the sum of its proper divisors (49770119).

2249909881 is a wasteful number, since it uses less digits than its factorization.

2249909881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39623.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 2249909881 is about 47433.2149553454. The cubic root of 2249909881 is about 1310.3532021602.

The spelling of 2249909881 in words is "two billion, two hundred forty-nine million, nine hundred nine thousand, eight hundred eighty-one".