53311222 has 16 divisors (see below), whose sum is σ = 82926000. Its totient is φ = 25673760.

The previous prime is 53311213. The next prime is 53311231. The reversal of 53311222 is 22211335.

It is an interprime number because it is at equal distance from previous prime (53311213) and next prime (53311231).

It is a super-2 number, since 2×53311222² = 5684172782266568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53311222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30529 + ... + 32227.

It is an arithmetic number, because the mean of its divisors is an integer number (5182875).

Almost surely, 2^53311222 is an apocalyptic number.

53311222 is a deficient number, since it is larger than the sum of its proper divisors (29614778).

53311222 is a wasteful number, since it uses less digits than its factorization.

53311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its digits is 360, while the sum is 19.

The square root of 53311222 is about 7301.4534169575. The cubic root of 53311222 is about 376.3623854587.

Adding to 53311222 its reverse (22211335), we get a palindrome (75522557).

The spelling of 53311222 in words is "fifty-three million, three hundred eleven thousand, two hundred twenty-two".