1222665141 has 16 divisors (see below), whose sum is σ = 1723857408. Its totient is φ = 769574400.

The previous prime is 1222665091. The next prime is 1222665149. The reversal of 1222665141 is 1415662221.

It is not a de Polignac number, because 1222665141 - 2¹⁷ = 1222534069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222665099 and 1222665108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222665149) 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, 156516 + ... + 164141.

It is an arithmetic number, because the mean of its divisors is an integer number (107741088).

Almost surely, 2^1222665141 is an apocalyptic number.

It is an amenable number.

1222665141 is a deficient number, since it is larger than the sum of its proper divisors (501192267).

1222665141 is a wasteful number, since it uses less digits than its factorization.

1222665141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320732.

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

The square root of 1222665141 is about 34966.6289624836. The cubic root of 1222665141 is about 1069.3072468720.

The spelling of 1222665141 in words is "one billion, two hundred twenty-two million, six hundred sixty-five thousand, one hundred forty-one".