1227222502 has 16 divisors (see below), whose sum is σ = 2113876800. Its totient is φ = 528468840.

The previous prime is 1227222497. The next prime is 1227222509. The reversal of 1227222502 is 2052227221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227222509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467552 + ... + 1468387.

It is an arithmetic number, because the mean of its divisors is an integer number (132117300).

Almost surely, 2^1227222502 is an apocalyptic number.

1227222502 is a deficient number, since it is larger than the sum of its proper divisors (886654298).

1227222502 is a wasteful number, since it uses less digits than its factorization.

1227222502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935971.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1227222502 is about 35031.7356407016. The cubic root of 1227222502 is about 1070.6341778735.

Adding to 1227222502 its reverse (2052227221), we get a palindrome (3279449723).

It can be divided in two parts, 1227 and 222502, that added together give a square (223729 = 473²).

The spelling of 1227222502 in words is "one billion, two hundred twenty-seven million, two hundred twenty-two thousand, five hundred two".