22031342 has 8 divisors (see below), whose sum is σ = 33540456. Its totient is φ = 10851192.

The previous prime is 22031333. The next prime is 22031357. The reversal of 22031342 is 24313022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22031342.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 82073 + ... + 82340.

It is an arithmetic number, because the mean of its divisors is an integer number (4192557).

Almost surely, 2^22031342 is an apocalyptic number.

22031342 is a deficient number, since it is larger than the sum of its proper divisors (11509114).

22031342 is a wasteful number, since it uses less digits than its factorization.

22031342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164482.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22031342 is about 4693.7556391444. The cubic root of 22031342 is about 280.3369328308.

Adding to 22031342 its reverse (24313022), we get a palindrome (46344364).

The spelling of 22031342 in words is "twenty-two million, thirty-one thousand, three hundred forty-two".