1222334556788 has 6 divisors (see below), whose sum is σ = 2139085474386. Its totient is φ = 611167278392.

The previous prime is 1222334556761. The next prime is 1222334556797. The reversal of 1222334556788 is 8876554332221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 626168350864 + 596166205924 = 791308^2 + 772118^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152791819595 + ... + 152791819602.

It is an arithmetic number, because the mean of its divisors is an integer number (356514245731).

Almost surely, 2^{1222334556788} is an apocalyptic number.

It is an amenable number.

1222334556788 is a deficient number, since it is larger than the sum of its proper divisors (916750917598).

1222334556788 is a wasteful number, since it uses less digits than its factorization.

1222334556788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305583639201 (or 305583639199 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 56.

The spelling of 1222334556788 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-four million, five hundred fifty-six thousand, seven hundred eighty-eight".