1226062660 has 12 divisors (see below), whose sum is σ = 2574731628. Its totient is φ = 490425056.

The previous prime is 1226062631. The next prime is 1226062693. The reversal of 1226062660 is 662606221.

It can be written as a sum of positive squares in 2 ways, for example, as 671742724 + 554319936 = 25918^2 + 23544^2 .

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, 30651547 + ... + 30651586.

It is an arithmetic number, because the mean of its divisors is an integer number (214560969).

Almost surely, 2^1226062660 is an apocalyptic number.

1226062660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226062660 is an abundant number, since it is smaller than the sum of its proper divisors (1348668968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226062660 is a wasteful number, since it uses less digits than its factorization.

1226062660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61303142 (or 61303140 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1226062660 is about 35015.1775663069. The cubic root of 1226062660 is about 1070.2967878497.

Adding to 1226062660 its reverse (662606221), we get a palindrome (1888668881).

The spelling of 1226062660 in words is "one billion, two hundred twenty-six million, sixty-two thousand, six hundred sixty".