22351037 has 2 divisors, whose sum is σ = 22351038. Its totient is φ = 22351036.

The previous prime is 22350983. The next prime is 22351051. The reversal of 22351037 is 73015322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18887716 + 3463321 = 4346^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 22351037 - 2¹² = 22346941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22351237) 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 as a sum of consecutive naturals, namely, 11175518 + 11175519.

It is an arithmetic number, because the mean of its divisors is an integer number (11175519).

Almost surely, 2^22351037 is an apocalyptic number.

It is an amenable number.

22351037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22351037 is an equidigital number, since it uses as much as digits as its factorization.

22351037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 22351037 is about 4727.6883357514. The cubic root of 22351037 is about 281.6864084448.

Adding to 22351037 its reverse (73015322), we get a palindrome (95366359).

It can be divided in two parts, 2 and 2351037, that multiplied together give a palindrome (4702074).

The spelling of 22351037 in words is "twenty-two million, three hundred fifty-one thousand, thirty-seven".