1263222223622 has 8 divisors (see below), whose sum is σ = 1894844168472. Its totient is φ = 631607500800.

The previous prime is 1263222223621. The next prime is 1263222223631. The reversal of 1263222223622 is 2263222223621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263222223621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344704 + ... + 2081987.

It is an arithmetic number, because the mean of its divisors is an integer number (236855521059).

Almost surely, 2^{1263222223622} is an apocalyptic number.

1263222223622 is a deficient number, since it is larger than the sum of its proper divisors (631621944850).

1263222223622 is a wasteful number, since it uses less digits than its factorization.

1263222223622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611014.

The product of its digits is 82944, while the sum is 35.

Subtracting 1263222223622 from its reverse (2263222223621), we obtain a palindrome (999999999999).

The spelling of 1263222223622 in words is "one trillion, two hundred sixty-three billion, two hundred twenty-two million, two hundred twenty-three thousand, six hundred twenty-two".