15522052202 has 4 divisors (see below), whose sum is σ = 23283078306. Its totient is φ = 7761026100.

The previous prime is 15522052201. The next prime is 15522052211. The reversal of 15522052202 is 20225022551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20225022551 = 127207 ⋅158993.

It can be written as a sum of positive squares in only one way, i.e., 15055535401 + 466516801 = 122701^2 + 21599^2 .

It is a super-2 number, since 2×15522052202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15522052201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3880513049 + ... + 3880513052.

Almost surely, 2^15522052202 is an apocalyptic number.

15522052202 is a deficient number, since it is larger than the sum of its proper divisors (7761026104).

15522052202 is an equidigital number, since it uses as much as digits as its factorization.

15522052202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761026103.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 15522052202 its reverse (20225022551), we get a palindrome (35747074753).

The spelling of 15522052202 in words is "fifteen billion, five hundred twenty-two million, fifty-two thousand, two hundred two".