1552229 has 4 divisors (see below), whose sum is σ = 1773984. Its totient is φ = 1330476.

The previous prime is 1552223. The next prime is 1552237. The reversal of 1552229 is 9222551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1552229 - 2²⁰ = 503653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1552198 and 1552207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110867 + ... + 110880.

It is an arithmetic number, because the mean of its divisors is an integer number (443496).

2^1552229 is an apocalyptic number.

It is an amenable number.

1552229 is a deficient number, since it is larger than the sum of its proper divisors (221755).

1552229 is an equidigital number, since it uses as much as digits as its factorization.

1552229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221754.

The product of its digits is 1800, while the sum is 26.

The square root of 1552229 is about 1245.8848261376. The cubic root of 1552229 is about 115.7849016282.

It can be divided in two parts, 15522 and 29, that added together give a palindrome (15551).

The spelling of 1552229 in words is "one million, five hundred fifty-two thousand, two hundred twenty-nine".