22321142224 has 10 divisors (see below), whose sum is σ = 43247213090. Its totient is φ = 11160571104.

The previous prime is 22321142219. The next prime is 22321142243. The reversal of 22321142224 is 42224112322.

It can be written as a sum of positive squares in only one way, i.e., 21824743824 + 496398400 = 147732^2 + 22280^2 .

It is a super-3 number, since 3×22321142224³ (a number of 32 digits) contains 333 as substring.

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, 697535679 + ... + 697535710.

It is an arithmetic number, because the mean of its divisors is an integer number (4324721309).

Almost surely, 2^22321142224 is an apocalyptic number.

It is an amenable number.

22321142224 is a deficient number, since it is larger than the sum of its proper divisors (20926070866).

22321142224 is a wasteful number, since it uses less digits than its factorization.

22321142224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395071397 (or 1395071391 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

Adding to 22321142224 its reverse (42224112322), we get a palindrome (64545254546).

The spelling of 22321142224 in words is "twenty-two billion, three hundred twenty-one million, one hundred forty-two thousand, two hundred twenty-four".