13772422 has 4 divisors (see below), whose sum is σ = 20658636. Its totient is φ = 6886210.

The previous prime is 13772411. The next prime is 13772443. The reversal of 13772422 is 22427731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22427731 = 109 ⋅205759.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443104 + ... + 3443107.

It is an arithmetic number, because the mean of its divisors is an integer number (5164659).

Almost surely, 2^13772422 is an apocalyptic number.

13772422 is a deficient number, since it is larger than the sum of its proper divisors (6886214).

13772422 is an equidigital number, since it uses as much as digits as its factorization.

13772422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886213.

The product of its digits is 4704, while the sum is 28.

The square root of 13772422 is about 3711.1213938647. The cubic root of 13772422 is about 239.7011442133.

The spelling of 13772422 in words is "thirteen million, seven hundred seventy-two thousand, four hundred twenty-two".