22202207 has 4 divisors (see below), whose sum is σ = 22451760. Its totient is φ = 21952656.

The previous prime is 22202137. The next prime is 22202209. The reversal of 22202207 is 70220222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70220222 = 2 ⋅35110111.

It is a cyclic number.

It is not a de Polignac number, because 22202207 - 2¹⁸ = 21940063 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 124643 + ... + 124820.

It is an arithmetic number, because the mean of its divisors is an integer number (5612940).

Almost surely, 2^22202207 is an apocalyptic number.

22202207 is a deficient number, since it is larger than the sum of its proper divisors (249553).

22202207 is an equidigital number, since it uses as much as digits as its factorization.

22202207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249552.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 22202207 is about 4711.9217947670. The cubic root of 22202207 is about 281.0597889519.

Adding to 22202207 its reverse (70220222), we get a palindrome (92422429).

The spelling of 22202207 in words is "twenty-two million, two hundred two thousand, two hundred seven".