1252022266 has 32 divisors (see below), whose sum is σ = 2074248000. Its totient is φ = 562068480.

The previous prime is 1252022251. The next prime is 1252022267. The reversal of 1252022266 is 6622202521.

It is not an unprimeable number, because it can be changed into a prime (1252022267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631665 + ... + 633643.

It is an arithmetic number, because the mean of its divisors is an integer number (64820250).

Almost surely, 2^1252022266 is an apocalyptic number.

1252022266 is a deficient number, since it is larger than the sum of its proper divisors (822225734).

1252022266 is a wasteful number, since it uses less digits than its factorization.

1252022266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1252022266 is about 35383.9266616920. The cubic root of 1252022266 is about 1077.7979440313.

Adding to 1252022266 its reverse (6622202521), we get a palindrome (7874224787).

The spelling of 1252022266 in words is "one billion, two hundred fifty-two million, twenty-two thousand, two hundred sixty-six".