11222532140 has 48 divisors (see below), whose sum is σ = 24728034240. Its totient is φ = 4270083840.

The previous prime is 11222532107. The next prime is 11222532149. The reversal of 11222532140 is 4123522211.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (11222532149) 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, 15866 + ... + 150654.

It is an arithmetic number, because the mean of its divisors is an integer number (515167380).

Almost surely, 2^11222532140 is an apocalyptic number.

11222532140 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 11222532140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12364017120).

11222532140 is an abundant number, since it is smaller than the sum of its proper divisors (13505502100).

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

11222532140 is a wasteful number, since it uses less digits than its factorization.

11222532140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135002 (or 135000 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 11222532140 in words is "eleven billion, two hundred twenty-two million, five hundred thirty-two thousand, one hundred forty".