13901622224 has 90 divisors (see below), whose sum is σ = 31717759554. Its totient is φ = 5884771200.

The previous prime is 13901622197. The next prime is 13901622239. The reversal of 13901622224 is 42222610931.

It can be written as a sum of positive squares in only one way, i.e., 13763982400 + 137639824 = 117320^2 + 11732^2 .

It is a congruent number.

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 in 17 ways as a sum of consecutive naturals, for example, 33177887 + ... + 33178305.

Almost surely, 2^13901622224 is an apocalyptic number.

13901622224 is a gapful number since it is divisible by the number (14) 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 13901622224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15858879777).

13901622224 is an abundant number, since it is smaller than the sum of its proper divisors (17816137330).

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

13901622224 is an equidigital number, since it uses as much as digits as its factorization.

13901622224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 13901622224 in words is "thirteen billion, nine hundred one million, six hundred twenty-two thousand, two hundred twenty-four".