22234957919 has 4 divisors (see below), whose sum is σ = 22249276896. Its totient is φ = 22220638944.

The previous prime is 22234957909. The next prime is 22234957939. The reversal of 22234957919 is 91975943222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91975943222 = 2 ⋅45987971611.

It is a cyclic number.

It is not a de Polignac number, because 22234957919 - 2⁴ = 22234957903 is a prime.

It is a super-2 number, since 2×22234957919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234957909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7157159 + ... + 7160264.

It is an arithmetic number, because the mean of its divisors is an integer number (5562319224).

Almost surely, 2^22234957919 is an apocalyptic number.

22234957919 is a deficient number, since it is larger than the sum of its proper divisors (14318977).

22234957919 is a wasteful number, since it uses less digits than its factorization.

22234957919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318976.

The product of its digits is 2449440, while the sum is 53.

The spelling of 22234957919 in words is "twenty-two billion, two hundred thirty-four million, nine hundred fifty-seven thousand, nine hundred nineteen".