4721622 has 8 divisors (see below), whose sum is σ = 9443256. Its totient is φ = 1573872.

The previous prime is 4721617. The next prime is 4721627. The reversal of 4721622 is 2261274.

It is an interprime number because it is at equal distance from previous prime (4721617) and next prime (4721627).

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

4721622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 4721592 and 4721601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721627) 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, 393463 + ... + 393474.

It is an arithmetic number, because the mean of its divisors is an integer number (1180407).

Almost surely, 2^4721622 is an apocalyptic number.

4721622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4721622 is a wasteful number, since it uses less digits than its factorization.

4721622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786942.

The product of its digits is 1344, while the sum is 24.

The square root of 4721622 is about 2172.9293591831. The cubic root of 4721622 is about 167.7633430884.

Adding to 4721622 its reverse (2261274), we get a palindrome (6982896).

The spelling of 4721622 in words is "four million, seven hundred twenty-one thousand, six hundred twenty-two".