40004022229 has 2 divisors, whose sum is σ = 40004022230. Its totient is φ = 40004022228.

The previous prime is 40004022167. The next prime is 40004022239. The reversal of 40004022229 is 92222040004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34378722225 + 5625300004 = 185415^2 + 75002^2 .

It is a cyclic number.

It is not a de Polignac number, because 40004022229 - 2¹¹ = 40004020181 is a prime.

It is a super-2 number, since 2×40004022229² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40004022239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002011114 + 20002011115.

It is an arithmetic number, because the mean of its divisors is an integer number (20002011115).

Almost surely, 2^40004022229 is an apocalyptic number.

It is an amenable number.

40004022229 is a deficient number, since it is larger than the sum of its proper divisors (1).

40004022229 is an equidigital number, since it uses as much as digits as its factorization.

40004022229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 40004022229 in words is "forty billion, four million, twenty-two thousand, two hundred twenty-nine".