22349149 has 6 divisors (see below), whose sum is σ = 23587710. Its totient is φ = 21172536.

The previous prime is 22349143. The next prime is 22349153. The reversal of 22349149 is 94194322.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 324900 = 4693^2 + 570^2 .

It is not a de Polignac number, because 22349149 - 2¹⁵ = 22316381 is a prime.

It is a super-2 number, since 2×22349149² = 998968922048402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22349143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30594 + ... + 31315.

It is an arithmetic number, because the mean of its divisors is an integer number (3931285).

Almost surely, 2^22349149 is an apocalyptic number.

It is an amenable number.

22349149 is a deficient number, since it is larger than the sum of its proper divisors (1238561).

22349149 is an equidigital number, since it uses as much as digits as its factorization.

22349149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61947 (or 61928 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 22349149 is about 4727.4886567817. The cubic root of 22349149 is about 281.6784768379.

The spelling of 22349149 in words is "twenty-two million, three hundred forty-nine thousand, one hundred forty-nine".