221226038907 has 8 divisors (see below), whose sum is σ = 295073748480. Its totient is φ = 147431177640.

The previous prime is 221226038897. The next prime is 221226038911. The reversal of 221226038907 is 709830622122.

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

It is not a de Polignac number, because 221226038907 - 2¹⁰ = 221226037883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221226078907) 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, 13202307 + ... + 13219052.

It is an arithmetic number, because the mean of its divisors is an integer number (36884218560).

Almost surely, 2^221226038907 is an apocalyptic number.

221226038907 is a deficient number, since it is larger than the sum of its proper divisors (73847709573).

221226038907 is a wasteful number, since it uses less digits than its factorization.

221226038907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26424153.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 221226038907 in words is "two hundred twenty-one billion, two hundred twenty-six million, thirty-eight thousand, nine hundred seven".