2223917943682 has 16 divisors (see below), whose sum is σ = 3343844027160. Its totient is φ = 1109303672832.

The previous prime is 2223917943649. The next prime is 2223917943691. The reversal of 2223917943682 is 2863497193222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2003892216921 + 220025726761 = 1415589^2 + 469069^2 .

It is a super-2 number, since 2×2223917943682² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11711994 + ... + 11900362.

Almost surely, 2^{2223917943682} is an apocalyptic number.

2223917943682 is a deficient number, since it is larger than the sum of its proper divisors (1119926083478).

2223917943682 is a wasteful number, since it uses less digits than its factorization.

2223917943682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202437.

The product of its digits is 15676416, while the sum is 58.

The spelling of 2223917943682 in words is "two trillion, two hundred twenty-three billion, nine hundred seventeen million, nine hundred forty-three thousand, six hundred eighty-two".