22351033 has 4 divisors (see below), whose sum is σ = 22438260. Its totient is φ = 22263808.

The previous prime is 22350983. The next prime is 22351037. The reversal of 22351033 is 33015322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10156969 + 12194064 = 3187^2 + 3492^2 .

It is a cyclic number.

It is not a de Polignac number, because 22351033 - 2¹⁷ = 22219961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22351033.

It is not an unprimeable number, because it can be changed into a prime (22351037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43228 + ... + 43741.

It is an arithmetic number, because the mean of its divisors is an integer number (5609565).

Almost surely, 2^22351033 is an apocalyptic number.

It is an amenable number.

22351033 is a deficient number, since it is larger than the sum of its proper divisors (87227).

22351033 is an equidigital number, since it uses as much as digits as its factorization.

22351033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87226.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 22351033 is about 4727.6879127117. The cubic root of 22351033 is about 281.6863916410.

Adding to 22351033 its reverse (33015322), we get a palindrome (55366355).

The spelling of 22351033 in words is "twenty-two million, three hundred fifty-one thousand, thirty-three".