9021422 has 4 divisors (see below), whose sum is σ = 13532136. Its totient is φ = 4510710.

The previous prime is 9021401. The next prime is 9021427. The reversal of 9021422 is 2241209.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9021394 and 9021403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9021427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2255354 + ... + 2255357.

It is an arithmetic number, because the mean of its divisors is an integer number (3383034).

Almost surely, 2^9021422 is an apocalyptic number.

9021422 is a deficient number, since it is larger than the sum of its proper divisors (4510714).

9021422 is a wasteful number, since it uses less digits than its factorization.

9021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510713.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 9021422 is about 3003.5682113113. The cubic root of 9021422 is about 208.1732869291.

It can be divided in two parts, 90 and 21422, that added together give a palindrome (21512).

The spelling of 9021422 in words is "nine million, twenty-one thousand, four hundred twenty-two".