403222429 has 2 divisors, whose sum is σ = 403222430. Its totient is φ = 403222428.

The previous prime is 403222423. The next prime is 403222441. The reversal of 403222429 is 924222304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269288100 + 133934329 = 16410^2 + 11573^2 .

It is a cyclic number.

It is not a de Polignac number, because 403222429 - 2¹³ = 403214237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403222397 and 403222406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403222423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201611214 + 201611215.

It is an arithmetic number, because the mean of its divisors is an integer number (201611215).

Almost surely, 2^403222429 is an apocalyptic number.

It is an amenable number.

403222429 is a deficient number, since it is larger than the sum of its proper divisors (1).

403222429 is an equidigital number, since it uses as much as digits as its factorization.

403222429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 403222429 is about 20080.3991245194. The cubic root of 403222429 is about 738.7795984870.

It can be divided in two parts, 403222 and 429, that added together give a triangular number (403651 = T₈₉₈).

The spelling of 403222429 in words is "four hundred three million, two hundred twenty-two thousand, four hundred twenty-nine".