56407222 has 4 divisors (see below), whose sum is σ = 84610836. Its totient is φ = 28203610.

The previous prime is 56407213. The next prime is 56407223. The reversal of 56407222 is 22270465.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56407223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14101804 + ... + 14101807.

It is an arithmetic number, because the mean of its divisors is an integer number (21152709).

Almost surely, 2^56407222 is an apocalyptic number.

56407222 is a deficient number, since it is larger than the sum of its proper divisors (28203614).

56407222 is a wasteful number, since it uses less digits than its factorization.

56407222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28203613.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 56407222 is about 7510.4741528082. The cubic root of 56407222 is about 383.5113639757.

Adding to 56407222 its reverse (22270465), we get a palindrome (78677687).

The spelling of 56407222 in words is "fifty-six million, four hundred seven thousand, two hundred twenty-two".