51222703 has 16 divisors (see below), whose sum is σ = 59786496. Its totient is φ = 42981120.

The previous prime is 51222659. The next prime is 51222707. The reversal of 51222703 is 30722215.

It is not a de Polignac number, because 51222703 - 2¹⁷ = 51091631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51222707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75775 + ... + 76447.

It is an arithmetic number, because the mean of its divisors is an integer number (3736656).

Almost surely, 2^51222703 is an apocalyptic number.

51222703 is a deficient number, since it is larger than the sum of its proper divisors (8563793).

51222703 is a wasteful number, since it uses less digits than its factorization.

51222703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 51222703 is about 7157.0037725294. The cubic root of 51222703 is about 371.3819829492.

Adding to 51222703 its reverse (30722215), we get a palindrome (81944918).

The spelling of 51222703 in words is "fifty-one million, two hundred twenty-two thousand, seven hundred three".