22322445 has 16 divisors (see below), whose sum is σ = 37817280. Its totient is φ = 11204864.

The previous prime is 22322429. The next prime is 22322453. The reversal of 22322445 is 54422322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22322445 - 2⁴ = 22322429 is a prime.

It is a super-3 number, since 3×22322445³ (a number of 23 digits) contains 333 as substring.

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, 43515 + ... + 44024.

It is an arithmetic number, because the mean of its divisors is an integer number (2363580).

Almost surely, 2^22322445 is an apocalyptic number.

It is an amenable number.

22322445 is a deficient number, since it is larger than the sum of its proper divisors (15494835).

22322445 is a wasteful number, since it uses less digits than its factorization.

22322445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87564.

The product of its digits is 3840, while the sum is 24.

The square root of 22322445 is about 4724.6634800798. The cubic root of 22322445 is about 281.5662437813.

Adding to 22322445 its reverse (54422322), we get a palindrome (76744767).

The spelling of 22322445 in words is "twenty-two million, three hundred twenty-two thousand, four hundred forty-five".