22364380 has 12 divisors (see below), whose sum is σ = 46965240. Its totient is φ = 8945744.

The previous prime is 22364371. The next prime is 22364383. The reversal of 22364380 is 8346322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22364383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559090 + ... + 559129.

It is an arithmetic number, because the mean of its divisors is an integer number (3913770).

Almost surely, 2^22364380 is an apocalyptic number.

22364380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22364380 is an abundant number, since it is smaller than the sum of its proper divisors (24600860).

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

22364380 is a wasteful number, since it uses less digits than its factorization.

22364380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118228 (or 1118226 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 22364380 is about 4729.0992799898. The cubic root of 22364380 is about 281.7424504989.

The spelling of 22364380 in words is "twenty-two million, three hundred sixty-four thousand, three hundred eighty".