15532422434 has 4 divisors (see below), whose sum is σ = 23298633654. Its totient is φ = 7766211216.

The previous prime is 15532422427. The next prime is 15532422443. The reversal of 15532422434 is 43422423551.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43422423551 = 13 ⋅3340186427.

It can be written as a sum of positive squares in only one way, i.e., 14386803025 + 1145619409 = 119945^2 + 33847^2 .

It is a super-2 number, since 2×15532422434² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15532422394 and 15532422403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3883105607 + ... + 3883105610.

Almost surely, 2^15532422434 is an apocalyptic number.

15532422434 is a deficient number, since it is larger than the sum of its proper divisors (7766211220).

15532422434 is an equidigital number, since it uses as much as digits as its factorization.

15532422434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766211219.

The product of its digits is 115200, while the sum is 35.

Adding to 15532422434 its reverse (43422423551), we get a palindrome (58954845985).

The spelling of 15532422434 in words is "fifteen billion, five hundred thirty-two million, four hundred twenty-two thousand, four hundred thirty-four".