1357323228 has 36 divisors (see below), whose sum is σ = 3451571760. Its totient is φ = 449729856.

The previous prime is 1357323223. The next prime is 1357323229. The reversal of 1357323228 is 8223237531.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1357323192 and 1357323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106873 + ... + 118896.

Almost surely, 2^1357323228 is an apocalyptic number.

1357323228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1357323228 is an abundant number, since it is smaller than the sum of its proper divisors (2094248532).

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

1357323228 is a wasteful number, since it uses less digits than its factorization.

1357323228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225946 (or 225941 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 1357323228 is about 36841.8678679570. The cubic root of 1357323228 is about 1107.2042914854.

The spelling of 1357323228 in words is "one billion, three hundred fifty-seven million, three hundred twenty-three thousand, two hundred twenty-eight".