22220354 has 8 divisors (see below), whose sum is σ = 35894460. Its totient is φ = 10255536.

The previous prime is 22220339. The next prime is 22220357. The reversal of 22220354 is 45302222.

It can be written as a sum of positive squares in 2 ways, for example, as 16999129 + 5221225 = 4123^2 + 2285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22220357) 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, 427289 + ... + 427340.

Almost surely, 2^22220354 is an apocalyptic number.

22220354 is a deficient number, since it is larger than the sum of its proper divisors (13674106).

22220354 is a wasteful number, since it uses less digits than its factorization.

22220354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854644.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22220354 is about 4713.8470488551. The cubic root of 22220354 is about 281.1363429482.

Adding to 22220354 its reverse (45302222), we get a palindrome (67522576).

The spelling of 22220354 in words is "twenty-two million, two hundred twenty thousand, three hundred fifty-four".