5222154242 has 8 divisors (see below), whose sum is σ = 7873818636. Its totient is φ = 2597548032.

The previous prime is 5222154233. The next prime is 5222154247. The reversal of 5222154242 is 2424512225.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5214139681 + 8014561 = 72209^2 + 2831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5222154247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6764063 + ... + 6764834.

Almost surely, 2^5222154242 is an apocalyptic number.

5222154242 is a deficient number, since it is larger than the sum of its proper divisors (2651664394).

5222154242 is a wasteful number, since it uses less digits than its factorization.

5222154242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13529092.

The product of its digits is 12800, while the sum is 29.

The square root of 5222154242 is about 72264.4742733246. The cubic root of 5222154242 is about 1734.9350928997.

Adding to 5222154242 its reverse (2424512225), we get a palindrome (7646666467).

The spelling of 5222154242 in words is "five billion, two hundred twenty-two million, one hundred fifty-four thousand, two hundred forty-two".