1226561214 has 16 divisors (see below), whose sum is σ = 2453579280. Its totient is φ = 408777600.

The previous prime is 1226561201. The next prime is 1226561239. The reversal of 1226561214 is 4121656221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23014 + ... + 54614.

It is an arithmetic number, because the mean of its divisors is an integer number (153348705).

Almost surely, 2^1226561214 is an apocalyptic number.

1226561214 is an abundant number, since it is smaller than the sum of its proper divisors (1227018066).

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

1226561214 is a wasteful number, since it uses less digits than its factorization.

1226561214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38075.

The product of its digits is 5760, while the sum is 30.

The square root of 1226561214 is about 35022.2959555766. The cubic root of 1226561214 is about 1070.4418398258.

The spelling of 1226561214 in words is "one billion, two hundred twenty-six million, five hundred sixty-one thousand, two hundred fourteen".