22052390 has 8 divisors (see below), whose sum is σ = 39694320. Its totient is φ = 8820952.

The previous prime is 22052347. The next prime is 22052431. The reversal of 22052390 is 9325022.

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, 1102610 + ... + 1102629.

It is an arithmetic number, because the mean of its divisors is an integer number (4961790).

Almost surely, 2^22052390 is an apocalyptic number.

22052390 is a deficient number, since it is larger than the sum of its proper divisors (17641930).

22052390 is a wasteful number, since it uses less digits than its factorization.

22052390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205246.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 22052390 is about 4695.9972316857. The cubic root of 22052390 is about 280.4261792281.

The spelling of 22052390 in words is "twenty-two million, fifty-two thousand, three hundred ninety".