222030649 has 16 divisors (see below), whose sum is σ = 233063424. Its totient is φ = 211276800.

The previous prime is 222030647. The next prime is 222030701. The reversal of 222030649 is 946030222.

It is a cyclic number.

It is not a de Polignac number, because 222030649 - 2¹ = 222030647 is a prime.

It is a super-2 number, since 2×222030649² = 98595218190722402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222030643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844092 + ... + 844354.

It is an arithmetic number, because the mean of its divisors is an integer number (14566464).

Almost surely, 2^222030649 is an apocalyptic number.

It is an amenable number.

222030649 is a deficient number, since it is larger than the sum of its proper divisors (11032775).

222030649 is a wasteful number, since it uses less digits than its factorization.

222030649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 222030649 is about 14900.6929033518. The cubic root of 222030649 is about 605.5327584132.

The spelling of 222030649 in words is "two hundred twenty-two million, thirty thousand, six hundred forty-nine".