103224857 has 4 divisors (see below), whose sum is σ = 106014756. Its totient is φ = 100434960.

The previous prime is 103224791. The next prime is 103224889. The reversal of 103224857 is 758422301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99780121 + 3444736 = 9989^2 + 1856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103224857 is a prime.

It is a super-2 number, since 2×103224857² = 21310742205340898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103226857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394894 + ... + 1394967.

It is an arithmetic number, because the mean of its divisors is an integer number (26503689).

Almost surely, 2^103224857 is an apocalyptic number.

It is an amenable number.

103224857 is a deficient number, since it is larger than the sum of its proper divisors (2789899).

103224857 is an equidigital number, since it uses as much as digits as its factorization.

103224857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789898.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 103224857 is about 10159.9634349736. The cubic root of 103224857 is about 469.0956762328.

The spelling of 103224857 in words is "one hundred three million, two hundred twenty-four thousand, eight hundred fifty-seven".