11222505400 has 48 divisors (see below), whose sum is σ = 26166405600. Its totient is φ = 4476257280.

The previous prime is 11222505397. The next prime is 11222505403. The reversal of 11222505400 is 450522211.

It is an interprime number because it is at equal distance from previous prime (11222505397) and next prime (11222505403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222505403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8880 + ... + 150079.

It is an arithmetic number, because the mean of its divisors is an integer number (545133450).

Almost surely, 2^11222505400 is an apocalyptic number.

11222505400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222505400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13083202800).

11222505400 is an abundant number, since it is smaller than the sum of its proper divisors (14943900200).

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

11222505400 is a wasteful number, since it uses less digits than its factorization.

11222505400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159328 (or 159319 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 11222505400 in words is "eleven billion, two hundred twenty-two million, five hundred five thousand, four hundred".