1226223245210 has 64 divisors (see below), whose sum is σ = 2367632086560. Its totient is φ = 455622451200.

The previous prime is 1226223245209. The next prime is 1226223245293. The reversal of 1226223245210 is 125423226221.

It can be written as a sum of positive squares in 16 ways, for example, as 428958192601 + 797265052609 = 654949^2 + 892897^2 .

It is a Curzon 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, 5330246 + ... + 5555534.

Almost surely, 2^{1226223245210} is an apocalyptic number.

1226223245210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226223245210 is a deficient number, since it is larger than the sum of its proper divisors (1141408841350).

1226223245210 is a wasteful number, since it uses less digits than its factorization.

1226223245210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225731.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 1226223245210 in words is "one trillion, two hundred twenty-six billion, two hundred twenty-three million, two hundred forty-five thousand, two hundred ten".