1222231145641 has 8 divisors (see below), whose sum is σ = 1341050255424. Its totient is φ = 1104696567120.

The previous prime is 1222231145623. The next prime is 1222231145657. The reversal of 1222231145641 is 1465411322221.

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 1222231145641 - 2⁹ = 1222231145129 is a prime.

It is a super-2 number, since 2×1222231145641² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222231145597 and 1222231145606.

It is not an unprimeable number, because it can be changed into a prime (1222231115641) 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, 321130821 + ... + 321134626.

It is an arithmetic number, because the mean of its divisors is an integer number (167631281928).

Almost surely, 2^{1222231145641} is an apocalyptic number.

1222231145641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222231145641 is a deficient number, since it is larger than the sum of its proper divisors (118819109783).

1222231145641 is a wasteful number, since it uses less digits than its factorization.

1222231145641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642265631.

The product of its digits is 23040, while the sum is 34.

Adding to 1222231145641 its reverse (1465411322221), we get a palindrome (2687642467862).

The spelling of 1222231145641 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, one hundred forty-five thousand, six hundred forty-one".