22202229 has 8 divisors (see below), whose sum is σ = 33832000. Its totient is φ = 12686976.

The previous prime is 22202209. The next prime is 22202249. The reversal of 22202229 is 92220222.

It is an interprime number because it is at equal distance from previous prime (22202209) and next prime (22202249).

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

It is not a de Polignac number, because 22202229 - 2¹⁷ = 22071157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1057249 = 22202229 / (2 + 2 + 2 + 0 + 2 + 2 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528604 + ... + 528645.

It is an arithmetic number, because the mean of its divisors is an integer number (4229000).

Almost surely, 2^22202229 is an apocalyptic number.

It is an amenable number.

22202229 is a deficient number, since it is larger than the sum of its proper divisors (11629771).

22202229 is a wasteful number, since it uses less digits than its factorization.

22202229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057259.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22202229 is about 4711.9241292703. The cubic root of 22202229 is about 281.0598817852.

The spelling of 22202229 in words is "twenty-two million, two hundred two thousand, two hundred twenty-nine".