228742197624 has 48 divisors (see below), whose sum is σ = 627352034400. Its totient is φ = 75282240384.

The previous prime is 228742197611. The next prime is 228742197637. The reversal of 228742197624 is 426791247822.

228742197624 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 4 + 2 + 1 + 9 + 7 + 624 = 666.

It is an interprime number because it is at equal distance from previous prime (228742197611) and next prime (228742197637).

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 11 ways as a sum of consecutive naturals, for example, 20101749 + ... + 20113124.

It is an arithmetic number, because the mean of its divisors is an integer number (13069834050).

Almost surely, 2^228742197624 is an apocalyptic number.

228742197624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228742197624 is an abundant number, since it is smaller than the sum of its proper divisors (398609836776).

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

228742197624 is a wasteful number, since it uses less digits than its factorization.

228742197624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40214964 (or 40214957 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 228742197624 in words is "two hundred twenty-eight billion, seven hundred forty-two million, one hundred ninety-seven thousand, six hundred twenty-four".