8922661 has 12 divisors (see below), whose sum is σ = 10077676. Its totient is φ = 7888320.

The previous prime is 8922659. The next prime is 8922677. The reversal of 8922661 is 1662298.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7322436 + 1600225 = 2706^2 + 1265^2 .

It is not a de Polignac number, because 8922661 - 2¹ = 8922659 is a prime.

It is a super-2 number, since 2×8922661² = 159227758641842, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8922601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3481 + ... + 5473.

Almost surely, 2^8922661 is an apocalyptic number.

It is an amenable number.

8922661 is a deficient number, since it is larger than the sum of its proper divisors (1155015).

8922661 is a wasteful number, since it uses less digits than its factorization.

8922661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2041 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 8922661 is about 2987.0823557445. The cubic root of 8922661 is about 207.4108466861.

It can be divided in two parts, 892 and 2661, that added together give a palindrome (3553).

The spelling of 8922661 in words is "eight million, nine hundred twenty-two thousand, six hundred sixty-one".