22445354 has 4 divisors (see below), whose sum is σ = 33668034. Its totient is φ = 11222676.

The previous prime is 22445351. The next prime is 22445359. The reversal of 22445354 is 45354422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 1054729 = 4625^2 + 1027^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22445351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611337 + ... + 5611340.

Almost surely, 2^22445354 is an apocalyptic number.

22445354 is a deficient number, since it is larger than the sum of its proper divisors (11222680).

22445354 is a wasteful number, since it uses less digits than its factorization.

22445354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222679.

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

The square root of 22445354 is about 4737.6527943698. The cubic root of 22445354 is about 282.0820729206.

Adding to 22445354 its reverse (45354422), we get a palindrome (67799776).

The spelling of 22445354 in words is "twenty-two million, four hundred forty-five thousand, three hundred fifty-four".