122233621 has 4 divisors (see below), whose sum is σ = 129423852. Its totient is φ = 115043392.

The previous prime is 122233603. The next prime is 122233627. The reversal of 122233621 is 126332221.

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 64625521 + 57608100 = 8039^2 + 7590^2 .

It is a cyclic number.

It is not a de Polignac number, because 122233621 - 2¹³ = 122225429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122233592 and 122233601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122233627) 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, 3595090 + ... + 3595123.

It is an arithmetic number, because the mean of its divisors is an integer number (32355963).

Almost surely, 2^122233621 is an apocalyptic number.

It is an amenable number.

122233621 is a deficient number, since it is larger than the sum of its proper divisors (7190231).

122233621 is an equidigital number, since it uses as much as digits as its factorization.

122233621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190230.

The product of its digits is 864, while the sum is 22.

The square root of 122233621 is about 11055.9314849541. The cubic root of 122233621 is about 496.2839449568.

Adding to 122233621 its reverse (126332221), we get a palindrome (248565842).

It can be divided in two parts, 1222 and 33621, that added together give a palindrome (34843).

The spelling of 122233621 in words is "one hundred twenty-two million, two hundred thirty-three thousand, six hundred twenty-one".