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102220022 = 251110011
BaseRepresentation
bin1100001011111…
…00000011110110
321010100022111202
412011330003312
5202132020042
614050532502
72350566362
oct605740366
9233308452
10102220022
1152778463
122a297132
1318240128
14d80c2a2
158e92632
hex617c0f6

102220022 has 4 divisors (see below), whose sum is σ = 153330036. Its totient is φ = 51110010.

The previous prime is 102220007. The next prime is 102220039. The reversal of 102220022 is 220022201.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 102219985 and 102220012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555004 + ... + 25555007.

It is an arithmetic number, because the mean of its divisors is an integer number (38332509).

Almost surely, 2102220022 is an apocalyptic number.

102220022 is a deficient number, since it is larger than the sum of its proper divisors (51110014).

102220022 is an equidigital number, since it uses as much as digits as its factorization.

102220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51110013.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 102220022 is about 10110.3917827154. The cubic root of 102220022 is about 467.5685842167.

Adding to 102220022 its reverse (220022201), we get a palindrome (322242223).

The spelling of 102220022 in words is "one hundred two million, two hundred twenty thousand, twenty-two".

Divisors: 1 2 51110011 102220022