53620222 has 16 divisors (see below), whose sum is σ = 84120192. Its totient is φ = 25585560.

The previous prime is 53620211. The next prime is 53620243. The reversal of 53620222 is 22202635.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53620193 and 53620202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24097 + ... + 26227.

It is an arithmetic number, because the mean of its divisors is an integer number (5257512).

Almost surely, 2^53620222 is an apocalyptic number.

53620222 is a deficient number, since it is larger than the sum of its proper divisors (30499970).

53620222 is a wasteful number, since it uses less digits than its factorization.

53620222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53620222 is about 7322.5830142102. The cubic root of 53620222 is about 377.0881363965.

Adding to 53620222 its reverse (22202635), we get a palindrome (75822857).

The spelling of 53620222 in words is "fifty-three million, six hundred twenty thousand, two hundred twenty-two".