22052197 has 8 divisors (see below), whose sum is σ = 22366656. Its totient is φ = 21739872.

The previous prime is 22052189. The next prime is 22052201. The reversal of 22052197 is 79125022.

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 22052197 - 2³ = 22052189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35433 + ... + 36049.

It is an arithmetic number, because the mean of its divisors is an integer number (2795832).

Almost surely, 2^22052197 is an apocalyptic number.

It is an amenable number.

22052197 is a deficient number, since it is larger than the sum of its proper divisors (314459).

22052197 is a wasteful number, since it uses less digits than its factorization.

22052197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22052197 is about 4695.9766822249. The cubic root of 22052197 is about 280.4253611398.

The spelling of 22052197 in words is "twenty-two million, fifty-two thousand, one hundred ninety-seven".