1222252153 has 2 divisors, whose sum is σ = 1222252154. Its totient is φ = 1222252152.

The previous prime is 1222252127. The next prime is 1222252231. The reversal of 1222252153 is 3512522221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1220314489 + 1937664 = 34933^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222252153 - 2¹³ = 1222243961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222252103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611126076 + 611126077.

It is an arithmetic number, because the mean of its divisors is an integer number (611126077).

Almost surely, 2^1222252153 is an apocalyptic number.

It is an amenable number.

1222252153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222252153 is an equidigital number, since it uses as much as digits as its factorization.

1222252153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 1222252153 is about 34960.7230045375. The cubic root of 1222252153 is about 1069.1868375635.

Adding to 1222252153 its reverse (3512522221), we get a palindrome (4734774374).

The spelling of 1222252153 in words is "one billion, two hundred twenty-two million, two hundred fifty-two thousand, one hundred fifty-three".