19222253 has 2 divisors, whose sum is σ = 19222254. Its totient is φ = 19222252.

The previous prime is 19222249. The next prime is 19222261. The reversal of 19222253 is 35222291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11812969 + 7409284 = 3437^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 19222253 - 2² = 19222249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19222283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9611126 + 9611127.

It is an arithmetic number, because the mean of its divisors is an integer number (9611127).

Almost surely, 2^19222253 is an apocalyptic number.

It is an amenable number.

19222253 is a deficient number, since it is larger than the sum of its proper divisors (1).

19222253 is an equidigital number, since it uses as much as digits as its factorization.

19222253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 19222253 is about 4384.3189893072. The cubic root of 19222253 is about 267.8765907268.

It can be divided in two parts, 1922225 and 3, that multiplied together give a palindrome (5766675).

The spelling of 19222253 in words is "nineteen million, two hundred twenty-two thousand, two hundred fifty-three".