22150004 has 24 divisors (see below), whose sum is σ = 40049856. Its totient is φ = 10712000.

The previous prime is 22150001. The next prime is 22150061. The reversal of 22150004 is 40005122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20969 + ... + 21999.

It is an arithmetic number, because the mean of its divisors is an integer number (1668744).

Almost surely, 2^22150004 is an apocalyptic number.

It is an amenable number.

22150004 is a deficient number, since it is larger than the sum of its proper divisors (17899852).

22150004 is a wasteful number, since it uses less digits than its factorization.

22150004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22150004 is about 4706.3790752552. The cubic root of 22150004 is about 280.8393352146.

Adding to 22150004 its reverse (40005122), we get a palindrome (62155126).

The spelling of 22150004 in words is "twenty-two million, one hundred fifty thousand, four".