2249591428 has 24 divisors (see below), whose sum is σ = 4572943424. Its totient is φ = 948304800.

The previous prime is 2249591417. The next prime is 2249591437. The reversal of 2249591428 is 8241959422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656838 + ... + 660253.

Almost surely, 2^2249591428 is an apocalyptic number.

2249591428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2249591428 is an abundant number, since it is smaller than the sum of its proper divisors (2323351996).

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

2249591428 is a wasteful number, since it uses less digits than its factorization.

2249591428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317163 (or 1317161 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 2249591428 is about 47429.8579799687. The cubic root of 2249591428 is about 1310.2913766325.

The spelling of 2249591428 in words is "two billion, two hundred forty-nine million, five hundred ninety-one thousand, four hundred twenty-eight".