22772105 has 8 divisors (see below), whose sum is σ = 28269000. Its totient is φ = 17589376.

The previous prime is 22772083. The next prime is 22772119. The reversal of 22772105 is 50127722.

It can be written as a sum of positive squares in 4 ways, for example, as 8248384 + 14523721 = 2872^2 + 3811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22772105 - 2⁶ = 22772041 is a prime.

It is a super-2 number, since 2×22772105² = 1037137532262050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78380 + ... + 78669.

It is an arithmetic number, because the mean of its divisors is an integer number (3533625).

Almost surely, 2^22772105 is an apocalyptic number.

It is an amenable number.

22772105 is a deficient number, since it is larger than the sum of its proper divisors (5496895).

22772105 is a wasteful number, since it uses less digits than its factorization.

22772105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157083.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 22772105 is about 4772.0126781055. The cubic root of 22772105 is about 283.4442987117. Note that the first 3 decimals are identical.

Adding to 22772105 its reverse (50127722), we get a palindrome (72899827).

The spelling of 22772105 in words is "twenty-two million, seven hundred seventy-two thousand, one hundred five".