1222226151 has 16 divisors (see below), whose sum is σ = 1642793088. Its totient is φ = 808264800.

The previous prime is 1222226111. The next prime is 1222226171. The reversal of 1222226151 is 1516222221.

1222226151 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1222226151 - 2¹¹ = 1222224103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222226111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197616 + ... + 203706.

It is an arithmetic number, because the mean of its divisors is an integer number (102674568).

Almost surely, 2^1222226151 is an apocalyptic number.

1222226151 is a deficient number, since it is larger than the sum of its proper divisors (420566937).

1222226151 is a wasteful number, since it uses less digits than its factorization.

1222226151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622.

The product of its digits is 960, while the sum is 24.

The square root of 1222226151 is about 34960.3511280994. The cubic root of 1222226151 is about 1069.1792556055.

Adding to 1222226151 its reverse (1516222221), we get a palindrome (2738448372).

The spelling of 1222226151 in words is "one billion, two hundred twenty-two million, two hundred twenty-six thousand, one hundred fifty-one".