22428467 has 2 divisors, whose sum is σ = 22428468. Its totient is φ = 22428466.

The previous prime is 22428463. The next prime is 22428481. The reversal of 22428467 is 76482422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22428467 - 2² = 22428463 is a prime.

It is a super-2 number, since 2×22428467² = 1006072263940178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22428463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11214233 + 11214234.

It is an arithmetic number, because the mean of its divisors is an integer number (11214234).

Almost surely, 2^22428467 is an apocalyptic number.

22428467 is a deficient number, since it is larger than the sum of its proper divisors (1).

22428467 is an equidigital number, since it uses as much as digits as its factorization.

22428467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 35.

The square root of 22428467 is about 4735.8702473780. The cubic root of 22428467 is about 282.0113126927.

The spelling of 22428467 in words is "twenty-two million, four hundred twenty-eight thousand, four hundred sixty-seven".