1225502266 has 8 divisors (see below), whose sum is σ = 1839752820. Its totient is φ = 612251328.

The previous prime is 1225502263. The next prime is 1225502269. The reversal of 1225502266 is 6622055221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1225502263) and next prime (1225502269).

It can be written as a sum of positive squares in 2 ways, for example, as 880843041 + 344659225 = 29679^2 + 18565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1225502266² = 3003711607942269512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225502263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246831 + ... + 251746.

Almost surely, 2^1225502266 is an apocalyptic number.

1225502266 is a deficient number, since it is larger than the sum of its proper divisors (614250554).

1225502266 is a wasteful number, since it uses less digits than its factorization.

1225502266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499808.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1225502266 is about 35007.1744932378. The cubic root of 1225502266 is about 1070.1336968642.

Adding to 1225502266 its reverse (6622055221), we get a palindrome (7847557487).

The spelling of 1225502266 in words is "one billion, two hundred twenty-five million, five hundred two thousand, two hundred sixty-six".