22406450 has 24 divisors (see below), whose sum is σ = 45465840. Its totient is φ = 8147600.

The previous prime is 22406429. The next prime is 22406467. The reversal of 22406450 is 5460422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19820 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (1894410).

Almost surely, 2^22406450 is an apocalyptic number.

22406450 is an abundant number, since it is smaller than the sum of its proper divisors (23059390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22406450 is a wasteful number, since it uses less digits than its factorization.

22406450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40762 (or 40757 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22406450 is about 4733.5451830526. The cubic root of 22406450 is about 281.9190032794.

Adding to 22406450 its reverse (5460422), we get a palindrome (27866872).

It can be divided in two parts, 2240 and 6450, that multiplied together give a triangular number (14448000 = T₅₃₇₅).

The spelling of 22406450 in words is "twenty-two million, four hundred six thousand, four hundred fifty".