2243377172244 has 48 divisors (see below), whose sum is σ = 5640820698240. Its totient is φ = 689827059840.

The previous prime is 2243377172243. The next prime is 2243377172273. The reversal of 2243377172244 is 4422717733422.

It is a happy number.

It is a super-2 number, since 2×2243377172244² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2243377172193 and 2243377172202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243377172243) 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, 4368927 + ... + 4855334.

It is an arithmetic number, because the mean of its divisors is an integer number (117517097880).

Almost surely, 2^{2243377172244} is an apocalyptic number.

It is an amenable number.

2243377172244 is an abundant number, since it is smaller than the sum of its proper divisors (3397443525996).

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

2243377172244 is a wasteful number, since it uses less digits than its factorization.

2243377172244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225840 (or 9225838 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 48.

The spelling of 2243377172244 in words is "two trillion, two hundred forty-three billion, three hundred seventy-seven million, one hundred seventy-two thousand, two hundred forty-four".