22149310 has 16 divisors (see below), whose sum is σ = 40946976. Its totient is φ = 8620128.

The previous prime is 22149289. The next prime is 22149311. The reversal of 22149310 is 1394122.

It is a super-2 number, since 2×22149310² = 981183866952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29562 + ... + 30301.

It is an arithmetic number, because the mean of its divisors is an integer number (2559186).

Almost surely, 2^22149310 is an apocalyptic number.

22149310 is a deficient number, since it is larger than the sum of its proper divisors (18797666).

22149310 is a wasteful number, since it uses less digits than its factorization.

22149310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59907.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 22149310 is about 4706.3053449601. The cubic root of 22149310 is about 280.8364021145.

The spelling of 22149310 in words is "twenty-two million, one hundred forty-nine thousand, three hundred ten".