221222333069 has 2 divisors, whose sum is σ = 221222333070. Its totient is φ = 221222333068.

The previous prime is 221222332951. The next prime is 221222333099. The reversal of 221222333069 is 960333222122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175623855625 + 45598477444 = 419075^2 + 213538^2 .

It is a cyclic number.

It is not a de Polignac number, because 221222333069 - 2¹² = 221222328973 is a prime.

It is a super-2 number, since 2×221222333069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221222333099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110611166534 + 110611166535.

It is an arithmetic number, because the mean of its divisors is an integer number (110611166535).

Almost surely, 2^221222333069 is an apocalyptic number.

It is an amenable number.

221222333069 is a deficient number, since it is larger than the sum of its proper divisors (1).

221222333069 is an equidigital number, since it uses as much as digits as its factorization.

221222333069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 221222333069 in words is "two hundred twenty-one billion, two hundred twenty-two million, three hundred thirty-three thousand, sixty-nine".