2237791612 has 48 divisors (see below), whose sum is σ = 4660830720. Its totient is φ = 919800000.

The previous prime is 2237791597. The next prime is 2237791613. The reversal of 2237791612 is 2161977322.

It is a super-2 number, since 2×2237791612² = 10015422597475117088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2237791613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113487 + ... + 131737.

It is an arithmetic number, because the mean of its divisors is an integer number (97100640).

Almost surely, 2^2237791612 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 2237791612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330415360).

2237791612 is an abundant number, since it is smaller than the sum of its proper divisors (2423039108).

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

2237791612 is a wasteful number, since it uses less digits than its factorization.

2237791612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442 (or 18440 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 2237791612 is about 47305.3021552553. The cubic root of 2237791612 is about 1307.9963955734.

The spelling of 2237791612 in words is "two billion, two hundred thirty-seven million, seven hundred ninety-one thousand, six hundred twelve".