1262222045 has 32 divisors (see below), whose sum is σ = 1765902336. Its totient is φ = 848232000.

The previous prime is 1262222029. The next prime is 1262222051. The reversal of 1262222045 is 5402222621.

It is not a de Polignac number, because 1262222045 - 2⁴ = 1262222029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493520 + ... + 496070.

It is an arithmetic number, because the mean of its divisors is an integer number (55184448).

Almost surely, 2^1262222045 is an apocalyptic number.

It is an amenable number.

1262222045 is a deficient number, since it is larger than the sum of its proper divisors (503680291).

1262222045 is a wasteful number, since it uses less digits than its factorization.

1262222045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1262222045 is about 35527.7644244610. The cubic root of 1262222045 is about 1080.7168437669.

Adding to 1262222045 its reverse (5402222621), we get a palindrome (6664444666).

The spelling of 1262222045 in words is "one billion, two hundred sixty-two million, two hundred twenty-two thousand, forty-five".