2289226520812 has 36 divisors (see below), whose sum is σ = 5083866693864. Its totient is φ = 891906435840.

The previous prime is 2289226520731. The next prime is 2289226520851. The reversal of 2289226520812 is 2180256229822.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530894533 + ... + 530898844.

It is an arithmetic number, because the mean of its divisors is an integer number (141218519274).

Almost surely, 2^{2289226520812} is an apocalyptic number.

2289226520812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2289226520812 is an abundant number, since it is smaller than the sum of its proper divisors (2794640173052).

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

2289226520812 is a wasteful number, since it uses less digits than its factorization.

2289226520812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061793406 (or 1061793397 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 2289226520812 in words is "two trillion, two hundred eighty-nine billion, two hundred twenty-six million, five hundred twenty thousand, eight hundred twelve".