113222407 has 4 divisors (see below), whose sum is σ = 113485536. Its totient is φ = 112959280.

The previous prime is 113222393. The next prime is 113222411. The reversal of 113222407 is 704222311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113222407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222437) 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, 130918 + ... + 131779.

It is an arithmetic number, because the mean of its divisors is an integer number (28371384).

Almost surely, 2^113222407 is an apocalyptic number.

113222407 is a deficient number, since it is larger than the sum of its proper divisors (263129).

113222407 is an equidigital number, since it uses as much as digits as its factorization.

113222407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263128.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 113222407 is about 10640.6018156869. The cubic root of 113222407 is about 483.7757866278.

Adding to 113222407 its reverse (704222311), we get a palindrome (817444718).

The spelling of 113222407 in words is "one hundred thirteen million, two hundred twenty-two thousand, four hundred seven".