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22922148 = 2231910179
BaseRepresentation
bin101011101110…
…0001110100100
31121010120021110
41113130032210
521332002043
62135145020
7365556264
oct127341644
947116243
1022922148
1111a36827
127815170
134997502
1430897a4
15202bb33
hex15dc3a4

22922148 has 12 divisors (see below), whose sum is σ = 53485040. Its totient is φ = 7640712.

The previous prime is 22922147. The next prime is 22922161. The reversal of 22922148 is 84122922.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22922147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955078 + ... + 955101.

Almost surely, 222922148 is an apocalyptic number.

It is an amenable number.

22922148 is an abundant number, since it is smaller than the sum of its proper divisors (30562892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22922148 is a wasteful number, since it uses less digits than its factorization.

22922148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910186 (or 1910184 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 22922148 is about 4787.7080111469. The cubic root of 22922148 is about 284.0654646415.

The spelling of 22922148 in words is "twenty-two million, nine hundred twenty-two thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 1910179 3820358 5730537 7640716 11461074 22922148