1422218653 has 4 divisors (see below), whose sum is σ = 1425304188. Its totient is φ = 1419133120.

The previous prime is 1422218627. The next prime is 1422218683. The reversal of 1422218653 is 3568122241.

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 201554809 + 1220663844 = 14197^2 + 34938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422218653 - 2⁹ = 1422218141 is a prime.

It is a super-2 number, since 2×1422218653² = 4045411793882268818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422218683) 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, 1542076 + ... + 1542997.

It is an arithmetic number, because the mean of its divisors is an integer number (356326047).

Almost surely, 2^1422218653 is an apocalyptic number.

It is an amenable number.

1422218653 is a deficient number, since it is larger than the sum of its proper divisors (3085535).

1422218653 is an equidigital number, since it uses as much as digits as its factorization.

1422218653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085534.

The product of its digits is 23040, while the sum is 34.

The square root of 1422218653 is about 37712.3143416047. The cubic root of 1422218653 is about 1124.5759463186.

The spelling of 1422218653 in words is "one billion, four hundred twenty-two million, two hundred eighteen thousand, six hundred fifty-three".