1266222532 has 12 divisors (see below), whose sum is σ = 2216895660. Its totient is φ = 632823776.

The previous prime is 1266222527. The next prime is 1266222593. The reversal of 1266222532 is 2352226621.

It can be written as a sum of positive squares in 2 ways, for example, as 877107456 + 389115076 = 29616^2 + 19726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1266222494 and 1266222503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61807 + ... + 79702.

It is an arithmetic number, because the mean of its divisors is an integer number (184741305).

Almost surely, 2^1266222532 is an apocalyptic number.

It is an amenable number.

1266222532 is a deficient number, since it is larger than the sum of its proper divisors (950673128).

1266222532 is a wasteful number, since it uses less digits than its factorization.

1266222532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143750 (or 143748 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 1266222532 is about 35584.0207396522. The cubic root of 1266222532 is about 1081.8573811245.

The spelling of 1266222532 in words is "one billion, two hundred sixty-six million, two hundred twenty-two thousand, five hundred thirty-two".