1222552223 has 4 divisors (see below), whose sum is σ = 1225337520. Its totient is φ = 1219766928.

The previous prime is 1222552211. The next prime is 1222552241. The reversal of 1222552223 is 3222552221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222552221 = 7 ⋅460364603.

It is a cyclic number.

It is not a de Polignac number, because 1222552223 - 2¹⁰ = 1222551199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222552192 and 1222552201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222512223) 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, 1391990 + ... + 1392867.

It is an arithmetic number, because the mean of its divisors is an integer number (306334380).

Almost surely, 2^1222552223 is an apocalyptic number.

1222552223 is a deficient number, since it is larger than the sum of its proper divisors (2785297).

1222552223 is an equidigital number, since it uses as much as digits as its factorization.

1222552223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785296.

The product of its digits is 4800, while the sum is 26.

The square root of 1222552223 is about 34965.0142714114. The cubic root of 1222552223 is about 1069.2743275962.

The spelling of 1222552223 in words is "one billion, two hundred twenty-two million, five hundred fifty-two thousand, two hundred twenty-three".