22250470 has 16 divisors (see below), whose sum is σ = 43692048. Its totient is φ = 8091040.

The previous prime is 22250447. The next prime is 22250471. The reversal of 22250470 is 7405222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 101029 + ... + 101248.

It is an arithmetic number, because the mean of its divisors is an integer number (2730753).

Almost surely, 2^22250470 is an apocalyptic number.

22250470 is a deficient number, since it is larger than the sum of its proper divisors (21441578).

22250470 is a wasteful number, since it uses less digits than its factorization.

22250470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202295.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22250470 is about 4717.0403856656. The cubic root of 22250470 is about 281.2632968199.

Adding to 22250470 its reverse (7405222), we get a palindrome (29655692).

The spelling of 22250470 in words is "twenty-two million, two hundred fifty thousand, four hundred seventy".