52222402 has 16 divisors (see below), whose sum is σ = 83091960. Its totient is φ = 24530688.

The previous prime is 52222399. The next prime is 52222409. The reversal of 52222402 is 20422225.

52222402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50851161 + 1371241 = 7131^2 + 1171^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52222402.

It is not an unprimeable number, because it can be changed into a prime (52222409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24724 + ... + 26752.

Almost surely, 2^52222402 is an apocalyptic number.

52222402 is a deficient number, since it is larger than the sum of its proper divisors (30869558).

52222402 is a wasteful number, since it uses less digits than its factorization.

52222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 52222402 is about 7226.5069016780. The cubic root of 52222402 is about 373.7824857391.

Adding to 52222402 its reverse (20422225), we get a palindrome (72644627).

The spelling of 52222402 in words is "fifty-two million, two hundred twenty-two thousand, four hundred two".