22087062238 has 4 divisors (see below), whose sum is σ = 33130593360. Its totient is φ = 11043531118.

The previous prime is 22087062229. The next prime is 22087062247. The reversal of 22087062238 is 83226078022.

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

It is an interprime number because it is at equal distance from previous prime (22087062229) and next prime (22087062247).

It is a self number, because there is not a number n which added to its sum of digits gives 22087062238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521765558 + ... + 5521765561.

It is an arithmetic number, because the mean of its divisors is an integer number (8282648340).

Almost surely, 2^22087062238 is an apocalyptic number.

22087062238 is a deficient number, since it is larger than the sum of its proper divisors (11043531122).

22087062238 is a wasteful number, since it uses less digits than its factorization.

22087062238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043531121.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 22087062238 in words is "twenty-two billion, eighty-seven million, sixty-two thousand, two hundred thirty-eight".