1301232222 has 32 divisors (see below), whose sum is σ = 3017352960. Its totient is φ = 414885240.

The previous prime is 1301232181. The next prime is 1301232239. The reversal of 1301232222 is 2222321031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1301232195 and 1301232204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522604 + ... + 525087.

It is an arithmetic number, because the mean of its divisors is an integer number (94292280).

Almost surely, 2^1301232222 is an apocalyptic number.

1301232222 is an abundant number, since it is smaller than the sum of its proper divisors (1716120738).

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

1301232222 is a wasteful number, since it uses less digits than its factorization.

1301232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047725 (or 1047719 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1301232222 is about 36072.5965519534. The cubic root of 1301232222 is about 1091.7376045066.

Adding to 1301232222 its reverse (2222321031), we get a palindrome (3523553253).

The spelling of 1301232222 in words is "one billion, three hundred one million, two hundred thirty-two thousand, two hundred twenty-two".