1222200077 has 8 divisors (see below), whose sum is σ = 1397016192. Its totient is φ = 1047438000.

The previous prime is 1222200071. The next prime is 1222200103. The reversal of 1222200077 is 7700022221.

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

It is not a de Polignac number, because 1222200077 - 2⁸ = 1222199821 is a prime.

It is a super-3 number, since 3×1222200077³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222200071) 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, 66827 + ... + 83127.

It is an arithmetic number, because the mean of its divisors is an integer number (174627024).

Almost surely, 2^1222200077 is an apocalyptic number.

It is an amenable number.

1222200077 is a deficient number, since it is larger than the sum of its proper divisors (174816115).

1222200077 is a wasteful number, since it uses less digits than its factorization.

1222200077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27019.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1222200077 is about 34959.9782179566. The cubic root of 1222200077 is about 1069.1716525450.

Adding to 1222200077 its reverse (7700022221), we get a palindrome (8922222298).

The spelling of 1222200077 in words is "one billion, two hundred twenty-two million, two hundred thousand, seventy-seven".