1222344555677 has 16 divisors (see below), whose sum is σ = 1470547228800. Its totient is φ = 992541703680.

The previous prime is 1222344555661. The next prime is 1222344555739. The reversal of 1222344555677 is 7765554432221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1222344555677 - 2⁴ = 1222344555661 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222344555077) 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, 3516677 + ... + 3848597.

It is an arithmetic number, because the mean of its divisors is an integer number (91909201800).

Almost surely, 2^{1222344555677} is an apocalyptic number.

It is an amenable number.

1222344555677 is a deficient number, since it is larger than the sum of its proper divisors (248202673123).

1222344555677 is a wasteful number, since it uses less digits than its factorization.

1222344555677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359636.

The product of its digits is 14112000, while the sum is 53.

Adding to 1222344555677 its reverse (7765554432221), we get a palindrome (8987898987898).

The spelling of 1222344555677 in words is "one trillion, two hundred twenty-two billion, three hundred forty-four million, five hundred fifty-five thousand, six hundred seventy-seven".