13922442 has 36 divisors (see below), whose sum is σ = 31353426. Its totient is φ = 4636440.

The previous prime is 13922423. The next prime is 13922453. The reversal of 13922442 is 24422931.

It can be written as a sum of positive squares in only one way, i.e., 11029041 + 2893401 = 3321^2 + 1701^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12592 + ... + 13652.

Almost surely, 2^13922442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13922442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676713).

13922442 is an abundant number, since it is smaller than the sum of its proper divisors (17430984).

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

13922442 is an frugal number, since it uses more digits than its factorization.

13922442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1066 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13922442 is about 3731.2788692351. The cubic root of 13922442 is about 240.5683405585.

The spelling of 13922442 in words is "thirteen million, nine hundred twenty-two thousand, four hundred forty-two".