1332222251 has 2 divisors, whose sum is σ = 1332222252. Its totient is φ = 1332222250.

The previous prime is 1332222247. The next prime is 1332222277. The reversal of 1332222251 is 1522222331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1332222251 - 2² = 1332222247 is a prime.

It is a super-2 number, since 2×1332222251² = 3549632252119014002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1332222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666111125 + 666111126.

It is an arithmetic number, because the mean of its divisors is an integer number (666111126).

Almost surely, 2^1332222251 is an apocalyptic number.

1332222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332222251 is an equidigital number, since it uses as much as digits as its factorization.

1332222251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 1332222251 is about 36499.6198747329. The cubic root of 1332222251 is about 1100.3366052511.

Adding to 1332222251 its reverse (1522222331), we get a palindrome (2854444582).

The spelling of 1332222251 in words is "one billion, three hundred thirty-two million, two hundred twenty-two thousand, two hundred fifty-one".