20465222 has 8 divisors (see below), whose sum is σ = 30779136. Its totient is φ = 10205512.

The previous prime is 20465209. The next prime is 20465233. The reversal of 20465222 is 22256402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12593 + ... + 14124.

It is an arithmetic number, because the mean of its divisors is an integer number (3847392).

Almost surely, 2^20465222 is an apocalyptic number.

20465222 is a deficient number, since it is larger than the sum of its proper divisors (10313914).

20465222 is a wasteful number, since it uses less digits than its factorization.

20465222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27102.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20465222 is about 4523.8503511942. The cubic root of 20465222 is about 273.5303282779.

The spelling of 20465222 in words is "twenty million, four hundred sixty-five thousand, two hundred twenty-two".