11222487782 has 8 divisors (see below), whose sum is σ = 18364070952. Its totient is φ = 5101130800.

The previous prime is 11222487737. The next prime is 11222487811. The reversal of 11222487782 is 28778422211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255056519 + ... + 255056562.

It is an arithmetic number, because the mean of its divisors is an integer number (2295508869).

Almost surely, 2^11222487782 is an apocalyptic number.

11222487782 is a deficient number, since it is larger than the sum of its proper divisors (7141583170).

11222487782 is a wasteful number, since it uses less digits than its factorization.

11222487782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510113094.

The product of its digits is 200704, while the sum is 44.

The spelling of 11222487782 in words is "eleven billion, two hundred twenty-two million, four hundred eighty-seven thousand, seven hundred eighty-two".