2238208477288 has 64 divisors (see below), whose sum is σ = 5033619106560. Its totient is φ = 912222744576.

The previous prime is 2238208477237. The next prime is 2238208477313. The reversal of 2238208477288 is 8827748028322.

It is a super-2 number, since 2×2238208477288² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4799545 + ... + 5245192.

It is an arithmetic number, because the mean of its divisors is an integer number (78650298540).

Almost surely, 2^{2238208477288} is an apocalyptic number.

2238208477288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2238208477288 is an abundant number, since it is smaller than the sum of its proper divisors (2795410629272).

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

2238208477288 is a wasteful number, since it uses less digits than its factorization.

2238208477288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10044946 (or 10044942 counting only the distinct ones).

The product of its (nonzero) digits is 38535168, while the sum is 61.

The spelling of 2238208477288 in words is "two trillion, two hundred thirty-eight billion, two hundred eight million, four hundred seventy-seven thousand, two hundred eighty-eight".