1222727 has 8 divisors (see below), whose sum is σ = 1380240. Its totient is φ = 1072960.

The previous prime is 1222723. The next prime is 1222729. The reversal of 1222727 is 7272221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222727 - 2² = 1222723 is a prime.

It is a super-2 number, since 2×1222727² = 2990122633058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (172530).

2^1222727 is an apocalyptic number.

1222727 is a deficient number, since it is larger than the sum of its proper divisors (157513).

1222727 is a wasteful number, since it uses less digits than its factorization.

1222727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873.

The product of its digits is 784, while the sum is 23.

The square root of 1222727 is about 1105.7698675583. The cubic root of 1222727 is about 106.9325279927.

Adding to 1222727 its reverse (7272221), we get a palindrome (8494948).

The spelling of 1222727 in words is "one million, two hundred twenty-two thousand, seven hundred twenty-seven".