22354454 has 8 divisors (see below), whose sum is σ = 33653568. Its totient is φ = 11136600.

The previous prime is 22354433. The next prime is 22354477. The reversal of 22354454 is 45445322.

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

It is a super-2 number, since 2×22354454² = 999443227276232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 19622 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (4206696).

Almost surely, 2^22354454 is an apocalyptic number.

22354454 is a deficient number, since it is larger than the sum of its proper divisors (11299114).

22354454 is a wasteful number, since it uses less digits than its factorization.

22354454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40630.

The product of its digits is 19200, while the sum is 29.

The square root of 22354454 is about 4728.0497036305. The cubic root of 22354454 is about 281.7007623412.

Adding to 22354454 its reverse (45445322), we get a palindrome (67799776).

The spelling of 22354454 in words is "twenty-two million, three hundred fifty-four thousand, four hundred fifty-four".