22532002 has 4 divisors (see below), whose sum is σ = 33798006. Its totient is φ = 11266000.

The previous prime is 22531991. The next prime is 22532017. The reversal of 22532002 is 20023522.

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

It can be written as a sum of positive squares in only one way, i.e., 16475481 + 6056521 = 4059^2 + 2461^2 .

It is a super-2 number, since 2×22532002² = 1015382228256008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632999 + ... + 5633002.

Almost surely, 2^22532002 is an apocalyptic number.

22532002 is a deficient number, since it is larger than the sum of its proper divisors (11266004).

22532002 is a wasteful number, since it uses less digits than its factorization.

22532002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11266003.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 22532002 is about 4746.7885986212. The cubic root of 22532002 is about 282.4445898582. Note that the first 3 decimals are identical.

Adding to 22532002 its reverse (20023522), we get a palindrome (42555524).

It can be divided in two parts, 2253 and 2002, that multiplied together give a triangular number (4510506 = T₃₀₀₃).

The spelling of 22532002 in words is "twenty-two million, five hundred thirty-two thousand, two".