13457422 has 16 divisors (see below), whose sum is σ = 22172544. Its totient is φ = 6075000.

The previous prime is 13457417. The next prime is 13457429. The reversal of 13457422 is 22475431.

It is a super-2 number, since 2×13457422² = 362204413772168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (1385784).

Almost surely, 2^13457422 is an apocalyptic number.

13457422 is a deficient number, since it is larger than the sum of its proper divisors (8715122).

13457422 is a wasteful number, since it uses less digits than its factorization.

13457422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215.

The product of its digits is 6720, while the sum is 28.

The square root of 13457422 is about 3668.4359064866. The cubic root of 13457422 is about 237.8595668953.

Subtracting 13457422 from its reverse (22475431), we obtain a square (9018009 = 3003²).

The spelling of 13457422 in words is "thirteen million, four hundred fifty-seven thousand, four hundred twenty-two".