3551622 has 8 divisors (see below), whose sum is σ = 7103256. Its totient is φ = 1183872.

The previous prime is 3551621. The next prime is 3551627. The reversal of 3551622 is 2261553.

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

3551622 is an admirable number.

It is a super-2 number, since 2×3551622² = 25228037661768, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 5² + 5⁹ + 1 + 6² + 2⁴ + 2¹² .

It is a junction number, because it is equal to n+sod(n) for n = 3551592 and 3551601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551621) 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, 295963 + ... + 295974.

It is an arithmetic number, because the mean of its divisors is an integer number (887907).

Almost surely, 2^3551622 is an apocalyptic number.

3551622 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.

3551622 is a wasteful number, since it uses less digits than its factorization.

3551622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591942.

The product of its digits is 1800, while the sum is 24.

The square root of 3551622 is about 1884.5747530942. The cubic root of 3551622 is about 152.5722599414.

The spelling of 3551622 in words is "three million, five hundred fifty-one thousand, six hundred twenty-two".