1222011229 has 8 divisors (see below), whose sum is σ = 1278702720. Its totient is φ = 1165616496.

The previous prime is 1222011223. The next prime is 1222011257. The reversal of 1222011229 is 9221102221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222011229 - 2²³ = 1213622621 is a prime.

It is a super-2 number, since 2×1222011229² = 2986622887604180882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222011223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65742 + ... + 82255.

It is an arithmetic number, because the mean of its divisors is an integer number (159837840).

Almost surely, 2^1222011229 is an apocalyptic number.

It is an amenable number.

1222011229 is a deficient number, since it is larger than the sum of its proper divisors (56691491).

1222011229 is a wasteful number, since it uses less digits than its factorization.

1222011229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148379.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1222011229 is about 34957.2771966010. The cubic root of 1222011229 is about 1069.1165820940.

The spelling of 1222011229 in words is "one billion, two hundred twenty-two million, eleven thousand, two hundred twenty-nine".