22245037 has 2 divisors, whose sum is σ = 22245038. Its totient is φ = 22245036.

The previous prime is 22245031. The next prime is 22245049. The reversal of 22245037 is 73054222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21706281 + 538756 = 4659^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 22245037 - 2¹¹ = 22242989 is a prime.

It is a super-2 number, since 2×22245037² = 989683342262738, which contains 22 as substring.

It is equal to p_1403629 and since 22245037 and 1403629 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22245031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122518 + 11122519.

It is an arithmetic number, because the mean of its divisors is an integer number (11122519).

Almost surely, 2^22245037 is an apocalyptic number.

It is an amenable number.

22245037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22245037 is an equidigital number, since it uses as much as digits as its factorization.

22245037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22245037 is about 4716.4644597410. The cubic root of 22245037 is about 281.2404025038.

Adding to 22245037 its reverse (73054222), we get a palindrome (95299259).

The spelling of 22245037 in words is "twenty-two million, two hundred forty-five thousand, thirty-seven".