22397468 has 6 divisors (see below), whose sum is σ = 39195576. Its totient is φ = 11198732.

The previous prime is 22397461. The next prime is 22397471. The reversal of 22397468 is 86479322.

It is a happy number.

It is a super-2 number, since 2×22397468² = 1003293145622048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22397461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799680 + ... + 2799687.

It is an arithmetic number, because the mean of its divisors is an integer number (6532596).

Almost surely, 2^22397468 is an apocalyptic number.

It is an amenable number.

22397468 is a deficient number, since it is larger than the sum of its proper divisors (16798108).

22397468 is a wasteful number, since it uses less digits than its factorization.

22397468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599371 (or 5599369 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 22397468 is about 4732.5963275986. The cubic root of 22397468 is about 281.8813275964.

The spelling of 22397468 in words is "twenty-two million, three hundred ninety-seven thousand, four hundred sixty-eight".