1590229 has 2 divisors, whose sum is σ = 1590230. Its totient is φ = 1590228.

The previous prime is 1590221. The next prime is 1590233. The reversal of 1590229 is 9220951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 762129 = 910^2 + 873^2 .

It is an emirp because it is prime and its reverse (9220951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1590229 - 2³ = 1590221 is a prime.

1590229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1590197 and 1590206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1590221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795114 + 795115.

It is an arithmetic number, because the mean of its divisors is an integer number (795115).

2^1590229 is an apocalyptic number.

It is an amenable number.

1590229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1590229 is an equidigital number, since it uses as much as digits as its factorization.

1590229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1590229 is about 1261.0428224291. The cubic root of 1590229 is about 116.7221350750.

It can be divided in two parts, 15902 and 29, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 1590229 in words is "one million, five hundred ninety thousand, two hundred twenty-nine".