22051324 has 18 divisors (see below), whose sum is σ = 40730424. Its totient is φ = 10444680.

The previous prime is 22051313. The next prime is 22051331. The reversal of 22051324 is 42315022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6192 + ... + 9079.

Almost surely, 2^22051324 is an apocalyptic number.

It is an amenable number.

22051324 is a deficient number, since it is larger than the sum of its proper divisors (18679100).

22051324 is a wasteful number, since it uses less digits than its factorization.

22051324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15313 (or 15292 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22051324 is about 4695.8837293954. The cubic root of 22051324 is about 280.4216606079.

Adding to 22051324 its reverse (42315022), we get a palindrome (64366346).

The spelling of 22051324 in words is "twenty-two million, fifty-one thousand, three hundred twenty-four".