2247155544 has 64 divisors (see below), whose sum is σ = 5708233440. Its totient is φ = 737095680.

The previous prime is 2247155539. The next prime is 2247155563. The reversal of 2247155544 is 4455517422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418702 + ... + 424034.

Almost surely, 2^2247155544 is an apocalyptic number.

2247155544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2247155544 is an abundant number, since it is smaller than the sum of its proper divisors (3461077896).

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

2247155544 is a wasteful number, since it uses less digits than its factorization.

2247155544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620 (or 5616 counting only the distinct ones).

The product of its digits is 224000, while the sum is 39.

The square root of 2247155544 is about 47404.1722214406. The cubic root of 2247155544 is about 1309.8182728704.

The spelling of 2247155544 in words is "two billion, two hundred forty-seven million, one hundred fifty-five thousand, five hundred forty-four".