22421190 has 32 divisors (see below), whose sum is σ = 58703616. Its totient is φ = 5435360.

The previous prime is 22421183. The next prime is 22421233. The reversal of 22421190 is 9112422.

It is a super-2 number, since 2×22421190² = 1005419522032200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33642 + ... + 34301.

It is an arithmetic number, because the mean of its divisors is an integer number (1834488).

Almost surely, 2^22421190 is an apocalyptic number.

22421190 is an abundant number, since it is smaller than the sum of its proper divisors (36282426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22421190 is a wasteful number, since it uses less digits than its factorization.

22421190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67964.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 22421190 is about 4735.1018996427. The cubic root of 22421190 is about 281.9808095185.

The spelling of 22421190 in words is "twenty-two million, four hundred twenty-one thousand, one hundred ninety".