1225552 has 10 divisors (see below), whose sum is σ = 2374538. Its totient is φ = 612768.

The previous prime is 1225541. The next prime is 1225559. The reversal of 1225552 is 2555221.

It can be written as a sum of positive squares in only one way, i.e., 1201216 + 24336 = 1096^2 + 156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38283 + ... + 38314.

2^1225552 is an apocalyptic number.

It is an amenable number.

1225552 is a deficient number, since it is larger than the sum of its proper divisors (1148986).

1225552 is an equidigital number, since it uses as much as digits as its factorization.

1225552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76605 (or 76599 counting only the distinct ones).

The product of its digits is 1000, while the sum is 22.

The square root of 1225552 is about 1107.0465211544. The cubic root of 1225552 is about 107.0148172918.

The spelling of 1225552 in words is "one million, two hundred twenty-five thousand, five hundred fifty-two".