22313142 has 12 divisors (see below), whose sum is σ = 48345180. Its totient is φ = 7437708.

The previous prime is 22313131. The next prime is 22313153. The reversal of 22313142 is 24131322.

It is an interprime number because it is at equal distance from previous prime (22313131) and next prime (22313153).

It is a super-3 number, since 3×22313142³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1239619 = 22313142 / (2 + 2 + 3 + 1 + 3 + 1 + 4 + 2).

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 5 ways as a sum of consecutive naturals, for example, 619792 + ... + 619827.

It is an arithmetic number, because the mean of its divisors is an integer number (4028765).

Almost surely, 2^22313142 is an apocalyptic number.

22313142 is an abundant number, since it is smaller than the sum of its proper divisors (26032038).

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

22313142 is a wasteful number, since it uses less digits than its factorization.

22313142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239627 (or 1239624 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 22313142 is about 4723.6788629203. The cubic root of 22313142 is about 281.5271235933.

Adding to 22313142 its reverse (24131322), we get a palindrome (46444464).

The spelling of 22313142 in words is "twenty-two million, three hundred thirteen thousand, one hundred forty-two".