109220992 has 16 divisors (see below), whose sum is σ = 217588950. Its totient is φ = 54610432.

The previous prime is 109220983. The next prime is 109221001. The reversal of 109220992 is 299022901.

It is an interprime number because it is at equal distance from previous prime (109220983) and next prime (109221001).

It can be written as a sum of positive squares in only one way, i.e., 64384576 + 44836416 = 8024^2 + 6696^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426517 + ... + 426772.

Almost surely, 2^109220992 is an apocalyptic number.

It is an amenable number.

109220992 is a deficient number, since it is larger than the sum of its proper divisors (108367958).

109220992 is an frugal number, since it uses more digits than its factorization.

109220992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853303 (or 853291 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 109220992 is about 10450.8847472355. The cubic root of 109220992 is about 478.0082280056.

The spelling of 109220992 in words is "one hundred nine million, two hundred twenty thousand, nine hundred ninety-two".