1227442 has 8 divisors (see below), whose sum is σ = 1871532. Its totient is φ = 603600.

The previous prime is 1227437. The next prime is 1227463. The reversal of 1227442 is 2447221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1142761 + 84681 = 1069^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1227442² = 3013227726728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4909 + ... + 5152.

2^1227442 is an apocalyptic number.

1227442 is a deficient number, since it is larger than the sum of its proper divisors (644090).

1227442 is a wasteful number, since it uses less digits than its factorization.

1227442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124.

The product of its digits is 896, while the sum is 22.

The square root of 1227442 is about 1107.8998149652. The cubic root of 1227442 is about 107.0698004401.

The spelling of 1227442 in words is "one million, two hundred twenty-seven thousand, four hundred forty-two".