64222253 has 2 divisors, whose sum is σ = 64222254. Its totient is φ = 64222252.

The previous prime is 64222237. The next prime is 64222283. The reversal of 64222253 is 35222246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57183844 + 7038409 = 7562^2 + 2653^2 .

It is a cyclic number.

It is not a de Polignac number, because 64222253 - 2⁴ = 64222237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64222283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32111126 + 32111127.

It is an arithmetic number, because the mean of its divisors is an integer number (32111127).

Almost surely, 2^64222253 is an apocalyptic number.

It is an amenable number.

64222253 is a deficient number, since it is larger than the sum of its proper divisors (1).

64222253 is an equidigital number, since it uses as much as digits as its factorization.

64222253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 26.

The square root of 64222253 is about 8013.8787737275. The cubic root of 64222253 is about 400.4624921298.

Adding to 64222253 its reverse (35222246), we get a palindrome (99444499).

The spelling of 64222253 in words is "sixty-four million, two hundred twenty-two thousand, two hundred fifty-three".