22342645 has 24 divisors (see below), whose sum is σ = 29395656. Its totient is φ = 16293888.

The previous prime is 22342633. The next prime is 22342667. The reversal of 22342645 is 54624322.

It can be written as a sum of positive squares in 12 ways, for example, as 14691889 + 7650756 = 3833^2 + 2766^2 .

It is not a de Polignac number, because 22342645 - 2¹³ = 22334453 is a prime.

It is a super-3 number, since 3×22342645³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115669 + ... + 115861.

It is an arithmetic number, because the mean of its divisors is an integer number (1224819).

Almost surely, 2^22342645 is an apocalyptic number.

It is an amenable number.

22342645 is a deficient number, since it is larger than the sum of its proper divisors (7053011).

22342645 is a wasteful number, since it uses less digits than its factorization.

22342645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 348 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 22342645 is about 4726.8007150715. The cubic root of 22342645 is about 281.6511497040.

Adding to 22342645 its reverse (54624322), we get a palindrome (76966967).

The spelling of 22342645 in words is "twenty-two million, three hundred forty-two thousand, six hundred forty-five".