22457346 has 8 divisors (see below), whose sum is σ = 44914704. Its totient is φ = 7485780.

The previous prime is 22457341. The next prime is 22457377. The reversal of 22457346 is 64375422.

It is a sphenic number, since it is the product of 3 distinct primes.

22457346 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22457341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871440 + ... + 1871451.

It is an arithmetic number, because the mean of its divisors is an integer number (5614338).

Almost surely, 2^22457346 is an apocalyptic number.

22457346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22457346 is a wasteful number, since it uses less digits than its factorization.

22457346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742896.

The product of its digits is 40320, while the sum is 33.

The square root of 22457346 is about 4738.9182309890. The cubic root of 22457346 is about 282.1323004787.

It can be divided in two parts, 2245 and 7346, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 22457346 in words is "twenty-two million, four hundred fifty-seven thousand, three hundred forty-six".