22228235 has 16 divisors (see below), whose sum is σ = 27972864. Its totient is φ = 16924512.

The previous prime is 22228223. The next prime is 22228243. The reversal of 22228235 is 53282222.

It is a cyclic number.

It is not a de Polignac number, because 22228235 - 2¹⁴ = 22211851 is a prime.

It is a Duffinian 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, 32204 + ... + 32886.

It is an arithmetic number, because the mean of its divisors is an integer number (1748304).

Almost surely, 2^22228235 is an apocalyptic number.

22228235 is a deficient number, since it is larger than the sum of its proper divisors (5744629).

22228235 is a wasteful number, since it uses less digits than its factorization.

22228235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994.

The product of its digits is 3840, while the sum is 26.

The square root of 22228235 is about 4714.6829161673. The cubic root of 22228235 is about 281.1695763466.

The spelling of 22228235 in words is "twenty-two million, two hundred twenty-eight thousand, two hundred thirty-five".