22167238426 has 4 divisors (see below), whose sum is σ = 33250857642. Its totient is φ = 11083619212.

The previous prime is 22167238409. The next prime is 22167238427. The reversal of 22167238426 is 62483276122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21314540025 + 852698401 = 145995^2 + 29201^2 .

It is not an unprimeable number, because it can be changed into a prime (22167238427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5541809605 + ... + 5541809608.

Almost surely, 2^22167238426 is an apocalyptic number.

22167238426 is a deficient number, since it is larger than the sum of its proper divisors (11083619216).

22167238426 is a wasteful number, since it uses less digits than its factorization.

22167238426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083619215.

The product of its digits is 387072, while the sum is 43.

The spelling of 22167238426 in words is "twenty-two billion, one hundred sixty-seven million, two hundred thirty-eight thousand, four hundred twenty-six".