22312154434 has 8 divisors (see below), whose sum is σ = 33469081020. Its totient is φ = 11155794096.

The previous prime is 22312154419. The next prime is 22312154497. The reversal of 22312154434 is 43445121322.

It can be written as a sum of positive squares in 2 ways, for example, as 16398083025 + 5914071409 = 128055^2 + 76903^2 .

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

It is a super-3 number, since 3×22312154434³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312154396 and 22312154405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23289 + ... + 212524.

Almost surely, 2^22312154434 is an apocalyptic number.

22312154434 is a deficient number, since it is larger than the sum of its proper divisors (11156926586).

22312154434 is a wasteful number, since it uses less digits than its factorization.

22312154434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283124.

The product of its digits is 23040, while the sum is 31.

Adding to 22312154434 its reverse (43445121322), we get a palindrome (65757275756).

The spelling of 22312154434 in words is "twenty-two billion, three hundred twelve million, one hundred fifty-four thousand, four hundred thirty-four".