11222763731428 has 6 divisors (see below), whose sum is σ = 19639836530006. Its totient is φ = 5611381865712.

The previous prime is 11222763731381. The next prime is 11222763731503. The reversal of 11222763731428 is 82413736722211.

It can be written as a sum of positive squares in only one way, i.e., 6557327889984 + 4665435841444 = 2560728^2 + 2159962^2 .

It is a super-2 number, since 2×11222763731428² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402845466425 + ... + 1402845466432.

Almost surely, 2^{11222763731428} is an apocalyptic number.

It is an amenable number.

11222763731428 is a deficient number, since it is larger than the sum of its proper divisors (8417072798578).

11222763731428 is a wasteful number, since it uses less digits than its factorization.

11222763731428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805690932861 (or 2805690932859 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The spelling of 11222763731428 in words is "eleven trillion, two hundred twenty-two billion, seven hundred sixty-three million, seven hundred thirty-one thousand, four hundred twenty-eight".