22452146 has 8 divisors (see below), whose sum is σ = 34005504. Its totient is φ = 11116980.

The previous prime is 22452137. The next prime is 22452151. The reversal of 22452146 is 64125422.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54290 + ... + 54701.

It is an arithmetic number, because the mean of its divisors is an integer number (4250688).

Almost surely, 2^22452146 is an apocalyptic number.

22452146 is a deficient number, since it is larger than the sum of its proper divisors (11553358).

22452146 is a wasteful number, since it uses less digits than its factorization.

22452146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109096.

The product of its digits is 3840, while the sum is 26.

The square root of 22452146 is about 4738.3695508054. The cubic root of 22452146 is about 282.1105228799.

Adding to 22452146 its reverse (64125422), we get a palindrome (86577568).

The spelling of 22452146 in words is "twenty-two million, four hundred fifty-two thousand, one hundred forty-six".