1552212 has 18 divisors (see below), whose sum is σ = 3923738. Its totient is φ = 517392.

The previous prime is 1552207. The next prime is 1552217. The reversal of 1552212 is 2122551.

It is an interprime number because it is at equal distance from previous prime (1552207) and next prime (1552217).

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 266256 = 1134^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21523 + ... + 21594.

2^1552212 is an apocalyptic number.

1552212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552212 is an abundant number, since it is smaller than the sum of its proper divisors (2371526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1552212 is a wasteful number, since it uses less digits than its factorization.

1552212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43127 (or 43122 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 1552212 is about 1245.8780036585. The cubic root of 1552212 is about 115.7844789349.

Adding to 1552212 its reverse (2122551), we get a palindrome (3674763).

It can be divided in two parts, 1552 and 212, that added together give a square (1764 = 42²).

The spelling of 1552212 in words is "one million, five hundred fifty-two thousand, two hundred twelve".