2274997987548 has 576 divisors, whose sum is σ = 7153668587520. Its totient is φ = 623095545600.

The previous prime is 2274997987499. The next prime is 2274997987573. The reversal of 2274997987548 is 8457897994722.

2274997987548 is a `hidden beast` number, since 2 + 2 + 7 + 499 + 7 + 9 + 87 + 5 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1778731173 + ... + 1778732451.

It is an arithmetic number, because the mean of its divisors is an integer number (12419563520).

Almost surely, 2^{2274997987548} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2274997987548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3576834293760).

2274997987548 is an abundant number, since it is smaller than the sum of its proper divisors (4878670599972).

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

2274997987548 is a wasteful number, since it uses less digits than its factorization.

2274997987548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1566 counting only the distinct ones).

The product of its digits is 5120962560, while the sum is 81.

The spelling of 2274997987548 in words is "two trillion, two hundred seventy-four billion, nine hundred ninety-seven million, nine hundred eighty-seven thousand, five hundred forty-eight".