1357223 has 8 divisors (see below), whose sum is σ = 1589280. Its totient is φ = 1134720.

The previous prime is 1357201. The next prime is 1357333. The reversal of 1357223 is 3227531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1357223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357423) 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, 2078 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (198660).

2^1357223 is an apocalyptic number.

1357223 is a deficient number, since it is larger than the sum of its proper divisors (232057).

1357223 is an equidigital number, since it uses as much as digits as its factorization.

1357223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777.

The product of its digits is 1260, while the sum is 23.

The square root of 1357223 is about 1164.9991416306. Note that the first 3 decimals coincide. The cubic root of 1357223 is about 110.7177037942.

The spelling of 1357223 in words is "one million, three hundred fifty-seven thousand, two hundred twenty-three".