22421245 has 16 divisors (see below), whose sum is σ = 33545088. Its totient is φ = 13976640.

The previous prime is 22421233. The next prime is 22421281. The reversal of 22421245 is 54212422.

It is not a de Polignac number, because 22421245 - 2¹⁵ = 22388477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28734 + ... + 29503.

It is an arithmetic number, because the mean of its divisors is an integer number (2096568).

Almost surely, 2^22421245 is an apocalyptic number.

It is an amenable number.

22421245 is a deficient number, since it is larger than the sum of its proper divisors (11123843).

22421245 is a wasteful number, since it uses less digits than its factorization.

22421245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58260.

The product of its digits is 1280, while the sum is 22.

The square root of 22421245 is about 4735.1077073283. The cubic root of 22421245 is about 281.9810400881.

Adding to 22421245 its reverse (54212422), we get a palindrome (76633667).

The spelling of 22421245 in words is "twenty-two million, four hundred twenty-one thousand, two hundred forty-five".