22425464 has 8 divisors (see below), whose sum is σ = 42047760. Its totient is φ = 11212728.

The previous prime is 22425457. The next prime is 22425517. The reversal of 22425464 is 46452422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×22425464³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401584 + ... + 1401599.

It is an arithmetic number, because the mean of its divisors is an integer number (5255970).

Almost surely, 2^22425464 is an apocalyptic number.

It is an amenable number.

22425464 is a deficient number, since it is larger than the sum of its proper divisors (19622296).

22425464 is a wasteful number, since it uses less digits than its factorization.

22425464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803189 (or 2803185 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 22425464 is about 4735.5531883825. The cubic root of 22425464 is about 281.9987257458.

Adding to 22425464 its reverse (46452422), we get a palindrome (68877886).

The spelling of 22425464 in words is "twenty-two million, four hundred twenty-five thousand, four hundred sixty-four".