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22059990 = 23252310657
BaseRepresentation
bin101010000100…
…1101111010110
31112111202121200
41110021233112
521121404430
62104453330
7355335561
oct124115726
945452550
1022059990
11114a7aa7
12747a246
134754c64
142d034d8
151e0b460
hex1509bd6

22059990 has 48 divisors (see below), whose sum is σ = 59855328. Its totient is φ = 5626368.

The previous prime is 22059977. The next prime is 22059997. The reversal of 22059990 is 9995022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22059997) 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 23 ways as a sum of consecutive naturals, for example, 3259 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (1246986).

Almost surely, 222059990 is an apocalyptic number.

22059990 is an abundant number, since it is smaller than the sum of its proper divisors (37795338).

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

22059990 is a wasteful number, since it uses less digits than its factorization.

22059990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693 (or 10690 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 22059990 is about 4696.8063617739. The cubic root of 22059990 is about 280.4583903124.

The spelling of 22059990 in words is "twenty-two million, fifty-nine thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 10657 21314 31971 53285 63942 95913 106570 159855 191826 245111 319710 479565 490222 735333 959130 1225555 1470666 2205999 2451110 3676665 4411998 7353330 11029995 22059990