1356223000 has 128 divisors (see below), whose sum is σ = 3490905600. Its totient is φ = 489072000.

The previous prime is 1356222979. The next prime is 1356223003. The reversal of 1356223000 is 3226531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356223003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1528557 + ... + 1529443.

It is an arithmetic number, because the mean of its divisors is an integer number (27272700).

Almost surely, 2^1356223000 is an apocalyptic number.

1356223000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745452800).

1356223000 is an abundant number, since it is smaller than the sum of its proper divisors (2134682600).

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

1356223000 is a wasteful number, since it uses less digits than its factorization.

1356223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1356223000 is about 36826.9330789302. The cubic root of 1356223000 is about 1106.9050489684.

Adding to 1356223000 its reverse (3226531), we get a palindrome (1359449531).

The spelling of 1356223000 in words is "one billion, three hundred fifty-six million, two hundred twenty-three thousand".