22321130 has 32 divisors (see below), whose sum is σ = 43714944. Its totient is φ = 8156736.

The previous prime is 22321127. The next prime is 22321133. The reversal of 22321130 is 3112322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22321127) and next prime (22321133).

It is a super-3 number, since 3×22321130³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22321133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12557 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (1366092).

Almost surely, 2^22321130 is an apocalyptic number.

22321130 is a deficient number, since it is larger than the sum of its proper divisors (21393814).

22321130 is a wasteful number, since it uses less digits than its factorization.

22321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22321130 is about 4724.5243146797. The cubic root of 22321130 is about 281.5607147143.

Adding to 22321130 its reverse (3112322), we get a palindrome (25433452).

The spelling of 22321130 in words is "twenty-two million, three hundred twenty-one thousand, one hundred thirty".