22342422 has 32 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 7276640.

The previous prime is 22342421. The next prime is 22342427. The reversal of 22342422 is 22424322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22342421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76108 + ... + 76400.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^22342422 is an apocalyptic number.

22342422 is an abundant number, since it is smaller than the sum of its proper divisors (23380458).

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

22342422 is a wasteful number, since it uses less digits than its factorization.

22342422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 1536, while the sum is 21.

The square root of 22342422 is about 4726.7771261188. Note that the first 3 decimals coincide. The cubic root of 22342422 is about 281.6502126557.

Adding to 22342422 its reverse (22424322), we get a palindrome (44766744).

It can be divided in two parts, 223424 and 22, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 22342422 in words is "twenty-two million, three hundred forty-two thousand, four hundred twenty-two".