22150632 has 32 divisors (see below), whose sum is σ = 63288000. Its totient is φ = 6328704.

The previous prime is 22150591. The next prime is 22150691. The reversal of 22150632 is 23605122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22150599 and 22150608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65757 + ... + 66092.

It is an arithmetic number, because the mean of its divisors is an integer number (1977750).

Almost surely, 2^22150632 is an apocalyptic number.

It is an amenable number.

22150632 is an abundant number, since it is smaller than the sum of its proper divisors (41137368).

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

22150632 is a wasteful number, since it uses less digits than its factorization.

22150632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131865 (or 131861 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22150632 is about 4706.4457927400. The cubic root of 22150632 is about 280.8419893215.

Adding to 22150632 its reverse (23605122), we get a palindrome (45755754).

The spelling of 22150632 in words is "twenty-two million, one hundred fifty thousand, six hundred thirty-two".