402223971229 has 2 divisors, whose sum is σ = 402223971230. Its totient is φ = 402223971228.

The previous prime is 402223971179. The next prime is 402223971239. The reversal of 402223971229 is 922179322204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386094463225 + 16129508004 = 621365^2 + 127002^2 .

It is a cyclic number.

It is not a de Polignac number, because 402223971229 - 2⁷ = 402223971101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402223971239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201111985614 + 201111985615.

It is an arithmetic number, because the mean of its divisors is an integer number (201111985615).

Almost surely, 2^402223971229 is an apocalyptic number.

It is an amenable number.

402223971229 is a deficient number, since it is larger than the sum of its proper divisors (1).

402223971229 is an equidigital number, since it uses as much as digits as its factorization.

402223971229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 402223971229 in words is "four hundred two billion, two hundred twenty-three million, nine hundred seventy-one thousand, two hundred twenty-nine".