22622254 has 4 divisors (see below), whose sum is σ = 33933384. Its totient is φ = 11311126.

The previous prime is 22622239. The next prime is 22622263. The reversal of 22622254 is 45222622.

It is a happy number.

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

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 as a sum of consecutive naturals, namely, 5655562 + ... + 5655565.

It is an arithmetic number, because the mean of its divisors is an integer number (8483346).

Almost surely, 2^22622254 is an apocalyptic number.

22622254 is a deficient number, since it is larger than the sum of its proper divisors (11311130).

22622254 is a wasteful number, since it uses less digits than its factorization.

22622254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311129.

The product of its digits is 3840, while the sum is 25.

The square root of 22622254 is about 4756.2857357396. The cubic root of 22622254 is about 282.8211983467.

Adding to 22622254 its reverse (45222622), we get a palindrome (67844876).

The spelling of 22622254 in words is "twenty-two million, six hundred twenty-two thousand, two hundred fifty-four".