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22412372 = 227017993
BaseRepresentation
bin101010101111…
…1110001010100
31120011122222212
41111133301110
521214143442
62120212552
7361334123
oct125376124
946148885
1022412372
1111718824
12760a158
134849478
142d95aba
151e7aa82
hex155fc54

22412372 has 12 divisors (see below), whose sum is σ = 39282516. Its totient is φ = 11188800.

The previous prime is 22412359. The next prime is 22412393. The reversal of 22412372 is 27321422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 12082576 = 3214^2 + 3476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (3273543).

Almost surely, 222412372 is an apocalyptic number.

It is an amenable number.

22412372 is a deficient number, since it is larger than the sum of its proper divisors (16870144).

22412372 is a wasteful number, since it uses less digits than its factorization.

22412372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8698 (or 8696 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 22412372 is about 4734.1706771091. The cubic root of 22412372 is about 281.9438380521.

Adding to 22412372 its reverse (27321422), we get a palindrome (49733794).

The spelling of 22412372 in words is "twenty-two million, four hundred twelve thousand, three hundred seventy-two".

Divisors: 1 2 4 701 1402 2804 7993 15986 31972 5603093 11206186 22412372