22202542 has 8 divisors (see below), whose sum is σ = 33327216. Its totient is φ = 11093472.

The previous prime is 22202539. The next prime is 22202569. The reversal of 22202542 is 24520222.

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, 783 + ... + 6709.

It is an arithmetic number, because the mean of its divisors is an integer number (4165902).

Almost surely, 2^22202542 is an apocalyptic number.

22202542 is a deficient number, since it is larger than the sum of its proper divisors (11124674).

22202542 is a wasteful number, since it uses less digits than its factorization.

22202542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22202542 is about 4711.9573427611. The cubic root of 22202542 is about 281.0612025435.

Adding to 22202542 its reverse (24520222), we get a palindrome (46722764).

The spelling of 22202542 in words is "twenty-two million, two hundred two thousand, five hundred forty-two".