22402454 has 8 divisors (see below), whose sum is σ = 33631248. Its totient is φ = 11192040.

The previous prime is 22402453. The next prime is 22402469. The reversal of 22402454 is 45420422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977 + ... + 6764.

It is an arithmetic number, because the mean of its divisors is an integer number (4203906).

Almost surely, 2^22402454 is an apocalyptic number.

22402454 is a deficient number, since it is larger than the sum of its proper divisors (11228794).

22402454 is a wasteful number, since it uses less digits than its factorization.

22402454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 22402454 is about 4733.1230704472. The cubic root of 22402454 is about 281.9022429966.

Adding to 22402454 its reverse (45420422), we get a palindrome (67822876).

The spelling of 22402454 in words is "twenty-two million, four hundred two thousand, four hundred fifty-four".