249222229 has 2 divisors, whose sum is σ = 249222230. Its totient is φ = 249222228.

The previous prime is 249222223. The next prime is 249222277. The reversal of 249222229 is 922222942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240312004 + 8910225 = 15502^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 249222229 - 2¹⁵ = 249189461 is a prime.

It is a super-2 number, since 2×249222229² = 124223438855456882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 249222194 and 249222203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124611114 + 124611115.

It is an arithmetic number, because the mean of its divisors is an integer number (124611115).

Almost surely, 2^249222229 is an apocalyptic number.

It is an amenable number.

249222229 is a deficient number, since it is larger than the sum of its proper divisors (1).

249222229 is an equidigital number, since it uses as much as digits as its factorization.

249222229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 249222229 is about 15786.7738629525. The cubic root of 249222229 is about 629.3065595942.

The spelling of 249222229 in words is "two hundred forty-nine million, two hundred twenty-two thousand, two hundred twenty-nine".